Common Weakness Enumeration

CWE-807

Allowed

Reliance on Untrusted Inputs in a Security Decision

Abstraction: Base · Status: Incomplete

The product uses a protection mechanism that relies on the existence or values of an input, but the input can be modified by an untrusted actor in a way that bypasses the protection mechanism.

129 vulnerabilities reference this CWE, most recent first.

CVE-2026-87858 (GCVE-0-2026-87858)

Vulnerability from cvelistv5 – Published: 2026-09-21 11:39 – Updated: 2026-09-21 15:25
VLAI
Title
Temporal Server completion callback source header can direct attacker-chosen requests to the internal frontend with administrator authorization
Summary
Temporal Server decided whether a Workflow completion callback was internal by reading a caller-supplied HTTP header. An authenticated caller holding only write permission in a single namespace could attach a completion callback whose URL host matched the configured callback address allowlist, whose URL path was any Temporal HTTP API route, and whose header map contained a non-empty header named source. When the History service delivered that callback, the non-empty source header caused it to re-target the request at the local frontend client and rewrite only the scheme and host, preserving the caller's path, query, and request body. Where an internal frontend is deployed with its HTTP API enabled, that client resolves to the internal frontend, which authorizes every request as a system administrator without requiring authentication information. The result is that the server performs an attacker-chosen state-changing HTTP POST against its own administrative API on the caller's behalf, in namespaces where the caller has no permission. The caller never needs network access to the internal frontend, because the History service makes the request. Confirmed effects include terminating Workflows in other namespaces, registering namespaces, modifying another namespace's configuration, and deleting another namespace and its Workflows. The affected routing logic is present in both the HSM and CHASM callback delivery implementations. This description and the CVSS score in this record describe releases 1.30.0 and later, where any non-empty source header is sufficient. Releases 1.25.0 through 1.29.7 are affected by a narrower form of the same defect in which the header must exactly match a configured cluster ID, a UUID that a namespace-scoped caller cannot read through the API. The consequence once that match occurs is the same, but the attack is materially harder and scores lower. To determine whether a deployment is affected, check two settings together: the static Server configuration for a non-zero services.internal-frontend.rpc.httpPort, and the effective per-namespace dynamic configuration value of component.callbacks.allowedAddresses. A deployment is exposed only when an internal frontend is deployed with a non-zero HTTP port, at least one allowlist rule admits a host, and authorization is enabled. The allowlist is empty by default, which denies all external callback URLs, and the stock static topology does not include an internal frontend. Note that a failed attach returns the error 'invalid url: url does not match any configured callback address', which proves only that one tested URL did not match and does not prove the effective allowlist is empty. To look for callbacks already attached, use DescribeWorkflowExecution, which returns callback information for a Workflow's registered completion callbacks. Operators should be aware of a gap when searching for evidence of delivery: the frontend HTTP API server records the request method and URL at debug level only, so at default log levels a delivered request is not written to the internal frontend's logs, and the absence of such log entries is not evidence that the issue was not exploited.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 15:25 UTC
CWE
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
Temporal CNA
Impacted products
Vendor Product Version
Temporal Technologies, Inc. Temporal Server Affected: 1.30.0 , < 1.30.7 (semver)
Affected: 1.31.0 , < 1.31.3 (semver)
    cpe:2.3:a:temporal:temporal:*:*:*:*:*:*:*:*
Create a notification for this product.
Temporal Technologies, Inc. Temporal Server Affected: 1.25.0 , ≤ 1.29.7 (semver)
    cpe:2.3:a:temporal:temporal:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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              "value": "\u003cp\u003eTemporal Server decided whether a Workflow completion callback was internal by reading a caller-supplied HTTP header. An authenticated caller holding only write permission in a single namespace could attach a completion callback whose URL host matched the configured callback address allowlist, whose URL path was any Temporal HTTP API route, and whose header map contained a non-empty header named source. When the History service delivered that callback, the non-empty source header caused it to re-target the request at the local frontend client and rewrite only the scheme and host, preserving the caller\u0027s path, query, and request body. Where an internal frontend is deployed with its HTTP API enabled, that client resolves to the internal frontend, which authorizes every request as a system administrator without requiring authentication information. The result is that the server performs an attacker-chosen state-changing HTTP POST against its own administrative API on the caller\u0027s behalf, in namespaces where the caller has no permission. The caller never needs network access to the internal frontend, because the History service makes the request. Confirmed effects include terminating Workflows in other namespaces, registering namespaces, modifying another namespace\u0027s configuration, and deleting another namespace and its Workflows. The affected routing logic is present in both the HSM and CHASM callback delivery implementations. This description and the CVSS score in this record describe releases 1.30.0 and later, where any non-empty source header is sufficient. Releases 1.25.0 through 1.29.7 are affected by a narrower form of the same defect in which the header must exactly match a configured cluster ID, a UUID that a namespace-scoped caller cannot read through the API. The consequence once that match occurs is the same, but the attack is materially harder and scores lower. To determine whether a deployment is affected, check two settings together: the static Server configuration for a non-zero services.internal-frontend.rpc.httpPort, and the effective per-namespace dynamic configuration value of component.callbacks.allowedAddresses. A deployment is exposed only when an internal frontend is deployed with a non-zero HTTP port, at least one allowlist rule admits a host, and authorization is enabled. The allowlist is empty by default, which denies all external callback URLs, and the stock static topology does not include an internal frontend. Note that a failed attach returns the error \u0027invalid url: url does not match any configured callback address\u0027, which proves only that one tested URL did not match and does not prove the effective allowlist is empty. To look for callbacks already attached, use DescribeWorkflowExecution, which returns callback information for a Workflow\u0027s registered completion callbacks. Operators should be aware of a gap when searching for evidence of delivery: the frontend HTTP API server records the request method and URL at debug level only, so at default log levels a delivered request is not written to the internal frontend\u0027s logs, and the absence of such log entries is not evidence that the issue was not exploited.\u003c/p\u003e"
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            "exploitMaturity": "NOT_DEFINED",
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            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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              "cweId": "CWE-807",
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        "orgId": "61241ed8-fa44-4f23-92db-b8c443751968",
        "shortName": "Temporal"
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      "references": [
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          "name": "Fix pull request",
          "tags": [
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          "url": "https://github.com/temporalio/temporal/pull/11965"
        },
        {
          "name": "1.31 backport, adds the callback.inspectSourceHeader toggle defaulted to true",
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      ],
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              "value": "\u003cp\u003eUpgrade to Temporal Server 1.32.0, which ships callback.inspectSourceHeader set to false and needs no further change. The fix makes the completion-callback source header opt-in behind the callback.inspectSourceHeader setting, so a callback\u0027s internality is decided from the server-generated callback URL rather than from a caller-supplied header. Releases 1.30.7 and 1.31.3 carry the same code but ship callback.inspectSourceHeader set to true for mixed-version compatibility while callbacks created with the older callback URL template drain, and while it is true the routing behavior matches the affected releases; an operator upgrading within the 1.30 or 1.31 line must therefore also set callback.inspectSourceHeader to false once every pre-fix server has drained. Operators who set callback.inspectSourceHeader to true restore the pre-fix behavior in full, including preservation of the caller\u0027s path and query across the internal rewrite, and should not enable it on a cluster that accepts caller-supplied completion callbacks. Temporal Server releases in the 1.25.0 through 1.29.7 range are outside the supported window and receive no fix; operators on those releases should upgrade to a supported line.\u003c/p\u003e"
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        }
      ],
      "source": {
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      "title": "Temporal Server completion callback source header can direct attacker-chosen requests to the internal frontend with administrator authorization",
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              "value": "\u003cp\u003eUntil a fixed release is available, a cluster that does not accept externally addressed Workflow completion callbacks can set the effective component.callbacks.allowedAddresses dynamic configuration value to an empty list, and remove or empty any more specific namespace-constrained entries that admit a host. Verify the effective value for every namespace in scope. An absent key already has the same deny-all default, but an explicit empty value is easier to audit. This rejects external http and https callback URLs at StartWorkflowExecution, before persistence and before either delivery implementation runs. It is a targeted mitigation rather than a way to disable Nexus: the reserved internal forms temporal://system and temporal://internal remain admitted, and there is no supported cluster-wide setting that turns Nexus off. As a separate defense in depth, operators that do not need the internal frontend\u0027s HTTP API can remove that service or set services.internal-frontend.rpc.httpPort to zero after confirming no internal consumers depend on it; this closes the administrative amplifier but does not correct the routing defect itself. Restricting or removing Nexus endpoints is not sufficient, because attaching the affected completion callback does not require a registered Nexus endpoint.\u003c/p\u003e"
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          "value": "Until a fixed release is available, a cluster that does not accept externally addressed Workflow completion callbacks can set the effective component.callbacks.allowedAddresses dynamic configuration value to an empty list, and remove or empty any more specific namespace-constrained entries that admit a host. Verify the effective value for every namespace in scope. An absent key already has the same deny-all default, but an explicit empty value is easier to audit. This rejects external http and https callback URLs at StartWorkflowExecution, before persistence and before either delivery implementation runs. It is a targeted mitigation rather than a way to disable Nexus: the reserved internal forms temporal://system and temporal://internal remain admitted, and there is no supported cluster-wide setting that turns Nexus off. As a separate defense in depth, operators that do not need the internal frontend\u0027s HTTP API can remove that service or set services.internal-frontend.rpc.httpPort to zero after confirming no internal consumers depend on it; this closes the administrative amplifier but does not correct the routing defect itself. Restricting or removing Nexus endpoints is not sufficient, because attaching the affected completion callback does not require a registered Nexus endpoint."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "61241ed8-fa44-4f23-92db-b8c443751968",
    "assignerShortName": "Temporal",
    "cveId": "CVE-2026-87858",
    "datePublished": "2026-09-21T11:39:52.412Z",
    "dateReserved": "2026-09-09T13:05:43.884Z",
    "dateUpdated": "2026-09-21T15:25:30.901Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-86863 (GCVE-0-2026-86863)

Vulnerability from cvelistv5 – Published: 2026-09-17 15:30 – Updated: 2026-09-17 16:01
VLAI
Title
pgAdmin 4: Authentication bypass via a client-controlled identity header in Webserver authentication mode
Summary
pgAdmin 4's Webserver authentication source is intended to accept an identity asserted by the web server or reverse proxy in front of pgAdmin, delivered through the WSGI/CGI environment. WebserverAuthentication.get_user() read config.WEBSERVER_REMOTE_USER from request.environ and, when that returned nothing, fell back to reading the same name directly from the inbound HTTP request headers via request.headers.get(). An inbound HTTP header is written by whoever sends the request, so any client able to reach pgAdmin could supply that header itself and be authenticated as any username it named, including an existing Administrator, without presenting a password or any other credential. The environment lookup could also be satisfied by a client-supplied header whenever WEBSERVER_REMOTE_USER was configured to an HTTP_-prefixed or hyphenated name such as HTTP_X_FORWARDED_USER or X-Forwarded-User, since WSGI servers place inbound headers into the environment under exactly those names. Deployments are affected only when 'webserver' is enabled in AUTHENTICATION_SOURCES. The fix distinguishes a genuine CGI/WSGI variable from a header-derived one and implicitly trusts only the former. A header-asserted identity is now accepted only when the operator explicitly opts in via WEBSERVER_REMOTE_USER_FROM_HEADER, the request arrives from a peer listed in WEBSERVER_TRUSTED_PROXIES, and, when configured, a shared secret supplied in WEBSERVER_SHARED_SECRET_HEADER matches WEBSERVER_SHARED_SECRET under a constant-time comparison. The trusted-peer check deliberately reads the real socket peer address rather than request.remote_addr, because ProxyFix rewrites the latter from the client-controlled X-Forwarded-For header and would otherwise allow an attacker to claim to be the trusted proxy. As defence in depth, login() now refuses any account whose auth_source is not 'webserver', so a misconfigured trust gate cannot be used to assume an internal or LDAP account. This issue affects pgAdmin 4: from 6.2 before 9.18.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 16:01 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
References
Impacted products
Vendor Product Version
pgadmin.org pgAdmin 4 Affected: 6.2 , < 9.18 (custom)
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Show details on NVD website

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CVE-2026-85817 (GCVE-0-2026-85817)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:00 – Updated: 2026-10-31 18:04
VLAI
Title
Microsoft PowerShell Remote Code Execution Vulnerability
Summary
Reliance on untrusted inputs in a security decision in Windows PowerShell allows an unauthorized attacker to execute code over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 20:09 UTC
CWE
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7807 (custom)
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Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7807 (custom)
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Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
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Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
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Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.9711 (custom)
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Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.9711 (custom)
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Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.3231 (custom)
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Microsoft Windows 11 Version 26H2 Affected: 10.0.26300.0 , < 10.0.26300.9711 (custom)
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Microsoft Windows Server 2012 Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
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Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
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Microsoft Windows Server 2012 R2 Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
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Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
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Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5761 (custom)
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Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
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Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
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Date Public
2026-10-13 14:00
Show details on NVD website

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CVE-2026-85751 (GCVE-0-2026-85751)

Vulnerability from cvelistv5 – Published: 2026-09-21 15:39 – Updated: 2026-09-21 17:56
VLAI
Title
Mailu: Authentication bypass in header-based proxy authentication via spoofable `X-Forwarded-By` trust
Summary
Mailu is a mail server distributed as a set of Docker images. From Mailu 2.0 until 2024.06.55 and prior to Mailu helm-charts 2.7.3, deployments with PROXY_AUTH_WHITELIST configured but REAL_IP_HEADER unset trusted a client-controlled X-Forwarded-By header for header-based proxy authentication. The proxy_hide_header directive in the nginx template at core/nginx/conf/proxy.conf hid the header from upstream responses but did not overwrite the incoming request value in this configuration. An unauthenticated remote attacker could therefore spoof the trusted proxy identity and bypass authentication. This issue is fixed in Mailu 2024.06.55 and Mailu helm-charts 2.7.3.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 17:56 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
GitHub_M CNA
Impacted products
Vendor Product Version
Mailu Mailu Affected: >= 2.0.0, < 2024.06.55
Create a notification for this product.
Mailu helm-charts Affected: < 2.7.3
Create a notification for this product.
Show details on NVD website

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CVE-2026-85602 (GCVE-0-2026-85602)

Vulnerability from cvelistv5 – Published: 2026-09-04 11:30 – Updated: 2026-09-05 10:28
VLAI
Title
Grav Form Plugin before 9.1.20 reCAPTCHA v3 Authentication Bypass
Summary
The Grav Form plugin (getgrav/grav-plugin-form) versions 8.0.6 through 9.1.19 select the reCAPTCHA version to validate based solely on which response field key is present in the submitted payload. On a site configured for reCAPTCHA v3, an anonymous attacker can place their v3 token under the v2 field name (g-recaptcha-response instead of token), causing validation to use the v2 branch, which never applies the score threshold or verifies the expected action. This results in a complete bypass of reCAPTCHA v3 bot protection. The issue is fixed in version 9.1.20.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 18:42 UTC
CWE
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
getgrav grav-plugin-form Affected: 0 , < 9.1.20 (semver)
Unaffected: 9.1.20 (semver)
    cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-20 00:00
Show details on NVD website

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CVE-2026-84474 (GCVE-0-2026-84474)

Vulnerability from cvelistv5 – Published: 2026-09-23 18:41 – Updated: 2026-11-04 23:47
VLAI
Title
Automation-controller: automation-controller-container: automation-controller: view_jobtemplate to execute privilege escalation via host_config_key exposure and x-forwarded-for spoofing of provisioning-callback host match
Summary
A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The provisioning-callback secret (host_config_key) is exposed to users holding only the read-level view_jobtemplate permission -- both in the job template API representation and in the activity stream -- and the provisioning callback endpoint trusts a client-supplied X-Forwarded-For header to determine the calling host when the controller is deployed behind the AAP gateway with an empty proxy allow-list. By reading the secret and spoofing X-Forwarded-For to match any host in the job template's inventory, a minimally privileged or unauthenticated remote attacker can launch the job template against arbitrary managed hosts using the job template's credentials, resulting in privilege escalation and remote code execution on managed hosts.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 19:28 UTC
CWE
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
redhat CNA
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:71113 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71114 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71115 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71177 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71179 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-84474 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2527073 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Ansible Automation Platform 2.4 for RHEL 8 Unaffected: 0:4.5.36-1.el8ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.4::el8
    cpe:/a:redhat:ansible_automation_platform:2.4::el9
    cpe:/a:redhat:ansible_automation_platform_developer:2.4::el8
    cpe:/a:redhat:ansible_automation_platform_developer:2.4::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.4 for RHEL 9 Unaffected: 0:4.5.36-1.el9ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.4::el8
    cpe:/a:redhat:ansible_automation_platform:2.4::el9
    cpe:/a:redhat:ansible_automation_platform_developer:2.4::el8
    cpe:/a:redhat:ansible_automation_platform_developer:2.4::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 8 Unaffected: 0:4.6.33-1.el8ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.5::el8
    cpe:/a:redhat:ansible_automation_platform:2.5::el9
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    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 9 Unaffected: 0:4.6.33-1.el9ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.5::el8
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    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8
    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.6 for RHEL 9 Unaffected: 0:4.7.17-1.el9ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.6::el10
    cpe:/a:redhat:ansible_automation_platform:2.6::el9
    cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10
    cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9
    cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.6 Unaffected: 1789673739 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.6::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.7 Unaffected: 1789580684 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.7::el9
Create a notification for this product.
Date Public
2026-09-23 00:00
Show details on NVD website

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CVE-2026-83522 (GCVE-0-2026-83522)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:00 – Updated: 2026-10-31 18:08
VLAI
Title
Windows IKE Extension Spoofing Vulnerability
Summary
Reliance on untrusted inputs in a security decision in Windows IKE Extension allows an unauthorized attacker to perform spoofing over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 22:15 UTC
CWE
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7807 (custom)
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Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7807 (custom)
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Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
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Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
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Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.9711 (custom)
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Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.9711 (custom)
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Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.3231 (custom)
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Microsoft Windows 11 Version 26H2 Affected: 10.0.26300.0 , < 10.0.26300.9711 (custom)
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Microsoft Windows Server 2012 Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
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Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
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Microsoft Windows Server 2012 R2 Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
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Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
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Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5761 (custom)
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Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
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Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
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Date Public
2026-10-13 14:00
Show details on NVD website

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CVE-2026-82533 (GCVE-0-2026-82533)

Vulnerability from cvelistv5 – Published: 2026-09-08 16:59 – Updated: 2026-11-08 14:09 X_Open Source
VLAI
Title
DeepSeek Harness < 0.1.2-alpha.1 Authentication Bypass via Host Header Spoofing
Summary
DeepSeek Harness before 0.1.2-alpha.1 contains an authentication bypass vulnerability that grants unauthenticated access to its local HTTP agent-control API by accepting a client-supplied loopback Host header in place of validating the actual TCP connection origin. On the default configuration, a confined tool-executed process can reach the loopback API without any port exposure and use it to escape its own OS sandbox, escalate to unconfined execution, and disable the approval prompt. When the port is externally reachable via tunnel, SSH forward, or reverse proxy, a remote attacker can exploit the same flaw to create sessions, execute arbitrary commands, and exfiltrate stored conversation transcripts without credentials.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 17:20 UTC
CWE
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
VulnCheck CNA
Impacted products
Vendor Product Version
DeepSeek DeepSeek Harness Affected: 0 , < 0.1.2-alpha.1 (custom)
Create a notification for this product.
Date Public
2026-08-25 00:00
Show details on NVD website

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CVE-2026-81179 (GCVE-0-2026-81179)

Vulnerability from cvelistv5 – Published: 2026-09-18 17:45 – Updated: 2026-09-18 19:49
VLAI
Title
SysReptor: Host header injection might allow account takeover
Summary
SysReptor is a fully customizable pentest reporting platform. Prior to 2026.58, installations that enable password reset by email while configuring ALLOWED_HOSTS with a wildcard accept an attacker-controlled Host header when generating a password reset link. An unauthenticated attacker can request a reset email whose link points to an attacker-controlled system, and a victim who follows that link can disclose the reset token, allowing the attacker to reset the victim's password and take over the account. Exploitation also requires a configured email gateway and an email address for the victim, while some reverse proxy configurations may reject the hostile Host header. This issue is fixed in version 2026.58.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 19:49 UTC
CWE
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
GitHub_M CNA
Impacted products
Vendor Product Version
Syslifters sysreptor Affected: < 2026.58
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Show details on NVD website

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CVE-2026-79701 (GCVE-0-2026-79701)

Vulnerability from cvelistv5 – Published: 2026-09-14 11:03 – Updated: 2026-10-05 18:16
VLAI
Title
Joomla Extension - joomshaper.com - Unauthenticated CAPTCHA Bypass in Module Context in the Contact, Opt-in and Form Builder Addons in SP Page Builder Pro 3.2.6 - 5.6.1p2 and 6.0.0 - 6.9.0
Summary
Joomla Extension - joomshaper.com - Unauthenticated CAPTCHA Bypass in Module Context in the Contact, Opt-in and Form Builder Addons in SP Page Builder Pro 3.2.6 - 5.6.1p2 and 6.0.0 - 6.9.0 - In the ajax_contact, optin_form and form_builder addons, the result returned by the CAPTCHA plugin's onCheckAnswer event was discarded and replaced with a test for a non-empty string whenever the request-supplied view_type parameter equalled module. Submitting view_type=module together with any arbitrary token value therefore passed verification. This affected every instance of these addons placed inside an SP Page Builder module, irrespective of the CAPTCHA type configured for the site, and the view_type parameter was never validated against the context in which the form was actually rendered.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 14:30 UTC
CWE
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
Joomla CNA
References
Impacted products
Vendor Product Version
joomshaper.com SP Page Builder (Pro) extension for Joomla Affected: 3.2.6 - 5.6.1p2
Affected: 6.0.0 - 6.9.0
Create a notification for this product.
Show details on NVD website

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Mitigation MIT-14
Architecture and Design

Strategy: Attack Surface Reduction

  • Store state information and sensitive data on the server side only.
  • Ensure that the system definitively and unambiguously keeps track of its own state and user state and has rules defined for legitimate state transitions. Do not allow any application user to affect state directly in any way other than through legitimate actions leading to state transitions.
  • If information must be stored on the client, do not do so without encryption and integrity checking, or otherwise having a mechanism on the server side to catch tampering. Use a message authentication code (MAC) algorithm, such as Hash Message Authentication Code (HMAC) [REF-529]. Apply this against the state or sensitive data that has to be exposed, which can guarantee the integrity of the data - i.e., that the data has not been modified. Ensure that a strong hash function is used (CWE-328).
Mitigation MIT-4.2
Architecture and Design

Strategy: Libraries or Frameworks

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • With a stateless protocol such as HTTP, use a framework that maintains the state for you.
  • Examples include ASP.NET View State [REF-756] and the OWASP ESAPI Session Management feature [REF-45].
  • Be careful of language features that provide state support, since these might be provided as a convenience to the programmer and may not be considering security.
Mitigation MIT-15
Architecture and Design

For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.

Mitigation MIT-16
Operation Implementation

Strategy: Environment Hardening

When using PHP, configure the application so that it does not use register_globals. During implementation, develop the application so that it does not rely on this feature, but be wary of implementing a register_globals emulation that is subject to weaknesses such as CWE-95, CWE-621, and similar issues.

Mitigation MIT-6
Architecture and Design Implementation

Strategy: Attack Surface Reduction

  • Understand all the potential areas where untrusted inputs can enter your software: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide data to the application. Remember that such inputs may be obtained indirectly through API calls.
  • Identify all inputs that are used for security decisions and determine if you can modify the design so that you do not have to rely on submitted inputs at all. For example, you may be able to keep critical information about the user's session on the server side instead of recording it within external data.

No CAPEC attack patterns related to this CWE.