Common Weakness Enumeration
CWE-807
AllowedReliance 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-2026-58239 (GCVE-0-2026-58239)
Vulnerability from cvelistv5 – Published: 2026-08-11 00:15 – Updated: 2026-08-11 14:31
VLAI
EPSS
VEX
Title
Multiple vulnerabilities in SAP Business AI Platform (Approuter)
Summary
SAP Approuter does not sufficiently validate tenant context in inbound requests. An unauthenticated attacker could send specially crafted requests to spoof the tenant context under conditions not fully within their control. Successful exploitation could allow limited access to another tenant's information, resulting in a low impact on confidentiality. There is no impact on integrity and availability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 13:21 UTC
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
sap
CNA
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP_SE | SAP Business AI Platform (Approuter) |
Affected:
SAP Approuter node.js package < 23.0.0
|
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CVE-2026-56682 (GCVE-0-2026-56682)
Vulnerability from cvelistv5 – Published: 2026-09-22 16:09 – Updated: 2026-09-22 17:23
VLAI
EPSS
VEX
Title
9Router: Login Brute-Force Lockout Bypass via Spoofable X-9r-Real-Ip Header
Summary
9Router is an AI router & token saver. Prior to 0.5.6, 9Router deployments that allow requests to reach Next.js without the sanitizing custom-server.js wrapper use the client-supplied X-9r-Real-Ip value as the bucket key in getClientIp, checkLock, and recordFail in src/lib/auth/loginLimiter.js for POST /api/auth/login. A remote unauthenticated attacker can rotate the header on every password guess so each request uses a new failed-attempt bucket and the five-attempt progressive lockout never returns HTTP 429. This permits unthrottled password guessing against the dashboard login and can lead to an administrative session if the password is recovered. This issue is fixed in version 0.5.6.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 17:22 UTC
CWE
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/decolua/9router/security/advis… | x_refsource_CONFIRM |
| https://github.com/decolua/9router/commit/efd20be… | x_refsource_MISC |
| https://github.com/decolua/9router/releases/tag/v0.5.6 | x_refsource_MISC |
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CVE-2026-56681 (GCVE-0-2026-56681)
Vulnerability from cvelistv5 – Published: 2026-09-22 16:02 – Updated: 2026-09-28 19:31
VLAI
EPSS
VEX
Title
9Router: Authentication Bypass in Public LLM API via Spoofable X-9r-Real-Ip Header
Summary
9Router is an AI router & token saver. Prior to 0.5.6, 9Router deployments that allow requests to reach Next.js without the sanitizing custom-server.js wrapper trust the client-supplied X-9r-Real-Ip header in src/dashboardGuard.js when isLocalRequest decides whether canAccessPublicLlmApi may skip API-key validation for /api/v1/* routes. A remote unauthenticated attacker can set X-9r-Real-Ip to 127.0.0.1 and be classified as a local client, including on the verified GET /api/v1/models route. This permits unauthorized use of the instance owner's configured LLM providers, consumption of paid credits, and enumeration of configured providers and models. This issue is fixed in version 0.5.6.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 19:31 UTC
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/decolua/9router/security/advis… | x_refsource_CONFIRM |
| https://github.com/decolua/9router/commit/efd20be… | x_refsource_MISC |
| https://github.com/decolua/9router/releases/tag/v0.5.6 | x_refsource_MISC |
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CVE-2026-54730 (GCVE-0-2026-54730)
Vulnerability from cvelistv5 – Published: 2026-08-18 16:55 – Updated: 2026-08-18 17:21
VLAI
EPSS
VEX
Title
authentik: Authentication Flow Bypass via Unguarded challenge_valid() in AuthenticatorEndpointGDTCStage and GoogleChromeStageView
Summary
authentik is an open-source identity provider. Prior to 2026.2.6 and 2026.5.5, the enterprise Google Chrome device-trust stages advance the flow without confirming that the out-of-band device attestation actually ran. Affected enterprise deployments place either a Google Chrome Endpoint stage with mode set to REQUIRED or the deprecated Google Chrome Device Trust Connector stage in an authentication flow. The device attestation occurs in a verification iframe that calls the Google Verified Access API and records the verified device on success, but the vulnerable stages treat the flow as passed as soon as the stage is submitted. An attacker who can reach such a stage, including after primary username and password authentication, can skip the verification iframe and authenticate from a device that was never verified. Where device trust is the only additional factor, that protection is fully bypassed, while other configured factors remain in force. This issue is fixed in versions 2026.2.6 and 2026.5.5.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 17:18 UTC
Assigner
GitHub_M
CNA
References
7 references
| URL | Tags |
|---|---|
| https://github.com/goauthentik/authentik/security… | x_refsource_CONFIRM |
| https://github.com/goauthentik/authentik/pull/24053 | x_refsource_MISC |
| https://github.com/goauthentik/authentik/pull/24058 | x_refsource_MISC |
| https://github.com/goauthentik/authentik/commit/2… | x_refsource_MISC |
| https://github.com/goauthentik/authentik/commit/8… | x_refsource_MISC |
| https://github.com/goauthentik/authentik/releases… | x_refsource_MISC |
| https://github.com/goauthentik/authentik/releases… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| goauthentik | authentik |
Affected:
< 2026.2.6
Affected: >= 2026.5.0, < 2026.5.5 |
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CVE-2026-53860 (GCVE-0-2026-53860)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:05 – Updated: 2026-06-16 19:33 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.5.7 - Sender Policy Bypass via Mutable Conversation Identifiers in BlueBubbles
Summary
OpenClaw before 2026.5.7 contains a sender policy bypass vulnerability in BlueBubbles that allows participants to match allowlist entries through conversation metadata rather than stable sender identity. Attackers can influence conversation-level identifiers to receive agent responses intended for configured senders, potentially bypassing access controls.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 19:33 UTC
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-sen… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-53789 (GCVE-0-2026-53789)
Vulnerability from cvelistv5 – Published: 2026-08-13 14:37 – Updated: 2026-08-15 03:18
VLAI
EPSS
VEX
Title
rsync < 3.5.0 Arbitrary File Deletion via Malicious File List
Summary
rsync before 3.5.0 contains an improper path handling vulnerability that allows a malicious sender to expand the scope of --delete operations beyond the intended destination subtree by sending a crafted file list that causes rsync to reclassify implied parent directory entries or treat synthetic paths as the transfer root. Attackers can exploit multiple variants including implied parent reclassification, synthetic root path construction, legacy protocol behavior below version 30, and non-directory root handling to cause the receiver to delete files outside the authorized destination directory.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-15 03:18 UTC
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
VulnCheck
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/RsyncProject/rsync/security/ad… | vendor-advisory |
| https://github.com/RsyncProject/rsync/releases/ta… | release-notes |
| https://www.vulncheck.com/advisories/rsync-arbitr… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RsyncProject | rsync |
Affected:
0 , ≤ 3.4.4
(semver)
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Date Public
2026-08-12 00:00
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CVE-2026-53614 (GCVE-0-2026-53614)
Vulnerability from cvelistv5 – Published: 2026-10-14 15:40 – Updated: 2026-10-15 15:08
VLAI
EPSS
VEX
Title
util-linux LIBMOUNT_FORCE_MOUNT2 allows nosuid and noexec bypass
Summary
util-linux is a random collection of Linux utilities. In util-linux 2.39.1 through 2.41.4 and 2.42 through 2.42.1, the SUID `mount` utility reads the attacker-controlled `LIBMOUNT_FORCE_MOUNT2` environment variable with `getenv()`, allowing a local low-privileged
user to force the non-atomic legacy bind-mount path. With an `/etc/fstab` bind mount authorized by `user` or `users` and protected by `nosuid`, `noexec`, or `nodev`, an attacker can race the window between the initial bind mount and the remount that applies those security flags and execute a SUID program from the temporarily unprotected mount, potentially gaining root privileges. This issue is fixed in 2.41.5 and 2.42.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 13:11 UTC
CWE
Assigner
GitHub_M
CNA
References
8 references
| URL | Tags |
|---|---|
| https://github.com/util-linux/util-linux/security… | x_refsource_CONFIRM |
| https://github.com/util-linux/util-linux/commit/3… | x_refsource_MISC |
| https://github.com/util-linux/util-linux/commit/5… | x_refsource_MISC |
| https://github.com/util-linux/util-linux/commit/9… | x_refsource_MISC |
| https://github.com/util-linux/util-linux/commit/c… | x_refsource_MISC |
| https://github.com/util-linux/util-linux/commit/f… | x_refsource_MISC |
| https://github.com/util-linux/util-linux/releases… | x_refsource_MISC |
| https://github.com/util-linux/util-linux/releases… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| util-linux | util-linux |
Affected:
>= 2.39.1, < 2.41.5
Affected: >= 2.42, < 2.42.2 |
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CVE-2026-50106 (GCVE-0-2026-50106)
Vulnerability from cvelistv5 – Published: 2026-10-21 08:57 – Updated: 2026-10-29 19:06
VLAI
EPSS
VEX
Title
Possible insecure NXDOMAIN for non-existing records under a configured island trust anchor underneath an insecure parent.
Summary
When NLnet Labs Unbound up to and including version 1.26.1 is configured with both a root trust anchor and an additional 'trust-anchor:' for an island-of-security zone whose parent is provably insecure under the root chain, a malicious actor who can deliver one forged NXDOMAIN response for a name inside the island, with the NSEC/SOA RRSIG 'SignerName' set to the insecure parent, tricks Unbound's validator to use the root trust anchor instead, and consecutively the insecure parent, thus causing that record to be treated as insecure and denying existence for records in the trust island.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 19:06 UTC
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
NLnet Labs
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.nlnetlabs.nl/downloads/unbound/CVE-20… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | Unbound |
Affected:
0 , < 1.26.2
(semver)
|
Date Public
2026-10-21 00:00
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CVE-2026-48980 (GCVE-0-2026-48980)
Vulnerability from cvelistv5 – Published: 2026-06-18 19:26 – Updated: 2026-06-18 20:25
VLAI
EPSS
VEX
Title
pam_usb: getenv() used in PAM context allows environment variable injection into local-check logic
Summary
pam_usb provides hardware authentication for Linux using removable media. In versions prior to 0.9.2, getenv() environment variables XRDP_SESSION, DISPLAY and TMUX allow environment variable injection into local-check logic. These environment variables influence whether a current session is local or remote, and a PAM module that runs in the context of setuid binaries (sudo, su), getenv() returns attacker-controlled values whenever the process environment has been manipulated by a local user. This issue has been fixed in version 0.9.2.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-18 20:25 UTC
CWE
Assigner
GitHub_M
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/mcdope/pam_usb/security/adviso… | x_refsource_CONFIRM |
| https://github.com/mcdope/pam_usb/releases/tag/0.9.2 | x_refsource_MISC |
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CVE-2026-44649 (GCVE-0-2026-44649)
Vulnerability from cvelistv5 – Published: 2026-05-29 17:45 – Updated: 2026-06-02 01:48
VLAI
EPSS
VEX
Title
SillyTavern: Authentication Bypass via SSO Header Injection
Summary
SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to 1.18.0, SillyTavern accepts Remote-User (Authelia) and X-Authentik-Username (Authentik) HTTP headers to automatically log in users when SSO is configured. There is no validation that these headers originate from a trusted reverse proxy. Any network client that can reach the SillyTavern port directly can inject these headers and authenticate as any user, including administrators, without a password. This vulnerability is exploitable only when sso.autheliaAuth: true or sso.authentikAuth: true is set in config.yaml (both default to false). This vulnerability is fixed in 1.18.0.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-02 01:48 UTC
CWE
Assigner
GitHub_M
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/SillyTavern/SillyTavern/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SillyTavern | SillyTavern |
Affected:
< 1.18.0
|
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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.