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-2026-103923 (GCVE-0-2026-103923)
Vulnerability from cvelistv5 – Published: 2026-10-01 17:37 – Updated: 2026-10-06 01:59
VLAI
EPSS
VEX
Title
KaTeX: Existing prototype pollution can bypass trust restrictions
Summary
KaTeX is a fast, easy-to-use JavaScript library for TeX math rendering on the web. From 0.11.0 until 0.18.2, KaTeX uses ordinary JavaScript property access for the renderer options object, the trust setting, default and processor setting metadata, and namespace lookup and group restoration, allowing inherited properties to be treated as explicitly supplied values. When Object.prototype is already polluted or an attacker controls the options object's prototype, attacker-controlled mathematical expressions can use an inherited trust value to enable trusted rendering and produce links capable of user-interaction cross-site scripting or loading attacker-selected external resources in a consuming application that inserts unsanitized KaTeX output into a page. KaTeX does not itself create the prototype pollution, and rendering an expression alone does not execute script. This issue is fixed in version 0.18.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 01:59 UTC
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/KaTeX/KaTeX/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/KaTeX/KaTeX/pull/4260 | x_refsource_MISC |
| https://github.com/KaTeX/KaTeX/commit/0adf7e77db6… | x_refsource_MISC |
| https://github.com/KaTeX/KaTeX/releases/tag/v0.18.2 | x_refsource_MISC |
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CVE-2026-103267 (GCVE-0-2026-103267)
Vulnerability from cvelistv5 – Published: 2026-10-01 10:42 – Updated: 2026-10-01 16:37
VLAI
EPSS
VEX
Title
Ghost 0.5.0 before 6.62.0 Arbitrary Email Registration via Staff Invite
Summary
Ghost versions before 6.62.0 contain an authentication bypass vulnerability in staff invite acceptance that allows users to specify any email address when creating their account. Attackers can accept leaked invite tokens with attacker-controlled email addresses, or legitimate recipients can register with unintended email providers.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 16:35 UTC
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-0.5.0-… | third-party-advisory |
Impacted products
Date Public
2026-09-03 00:00
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CVE-2026-102234 (GCVE-0-2026-102234)
Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-31 18:00
VLAI
EPSS
VEX
Title
Visual Studio Code Security Feature Bypass Vulnerability
Summary
Reliance on untrusted inputs in a security decision in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 22:17 UTC
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
microsoft
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Visual Studio Code |
Affected:
1.0.0 , < 1.141.1
(custom)
cpe:2.3:a:microsoft:visual_studio_code:*:*:*:*:*:*:*:* |
Date Public
2026-10-13 14:00
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CVE-2026-102117 (GCVE-0-2026-102117)
Vulnerability from cvelistv5 – Published: 2026-09-30 20:19 – Updated: 2026-10-01 13:37
VLAI
EPSS
VEX
Title
Kiteworks Core Remote Code Execution
Summary
On deployments where the remote-support capability is licensed and enabled, an authenticated System Administrator who also possessed the key protecting the submitted data could redirect the underlying system's outbound support connection to a destination of their choosing. That destination could then have operating-system commands executed on the node and receive their output, potentially resulting in remote code execution with the privileges of a local service account.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:27 UTC
CWE
Assigner
cisa-cg
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kiteworks/security-advisories/… | vendor-advisory |
| https://raw.githubusercontent.com/cisagov/CSAF/de… | third-party-advisory |
Impacted products
Date Public
2026-09-30 00:00
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CVE-2026-101131 (GCVE-0-2026-101131)
Vulnerability from cvelistv5 – Published: 2026-09-28 18:30 – Updated: 2026-09-28 18:47
VLAI
EPSS
VEX
Title
deepseek-ai deepseek-harness dsh index.ts reliance on untrusted inputs in a security decision
Summary
A vulnerability was identified in deepseek-ai deepseek-harness up to 0.1.5-rc.3. Impacted is an unknown function of the file packages/e2b/e2b/src/index.ts of the component dsh. The manipulation of the argument E2B_API_KEY leads to reliance on untrusted inputs in a security decision. Local access is required to approach this attack. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 18:46 UTC
CWE
Assigner
VulDB
CNA
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/410988 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/410988/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-101131 | third-party-advisory |
| https://vuldb.com/submit/938601 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| deepseek-ai | deepseek-harness |
Affected:
0.1.5-rc.0
Affected: 0.1.5-rc.1 Affected: 0.1.5-rc.2 Affected: 0.1.5-rc.3 cpe:2.3:a:deepseek-ai:deepseek-harness:*:*:*:*:*:*:*:* |
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CVE-2026-101079 (GCVE-0-2026-101079)
Vulnerability from cvelistv5 – Published: 2026-09-28 15:45 – Updated: 2026-10-01 14:23
VLAI
EPSS
VEX
Title
agentverus agentverus-scanner context.js isSecurityDefenseSkill reliance on untrusted inputs in a security decision
Summary
A vulnerability was found in agentverus agentverus-scanner up to 0.8.1. Affected by this vulnerability is the function isSecurityDefenseSkill of the file dist/scanner/analyzers/context.js. Performing a manipulation results in reliance on untrusted inputs in a security decision. The attack must be initiated from a local position. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 14:23 UTC
CWE
Assigner
VulDB
CNA
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/410950 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/410950/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-101079 | third-party-advisory |
| https://vuldb.com/submit/931274 | third-party-advisory |
| https://github.com/agentverus/agentverus-scanner/… | exploitissue-tracking |
| https://github.com/agentverus/agentverus-scanner/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| agentverus | agentverus-scanner |
Affected:
0.8.0
Affected: 0.8.1 cpe:2.3:a:agentverus:agentverus-scanner:*:*:*:*:*:*:*:* |
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CVE-2026-96251 (GCVE-0-2026-96251)
Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-31 18:11
VLAI
EPSS
VEX
Title
Microsoft PowerShell Remote Code Execution Vulnerability
Summary
Reliance on untrusted inputs in a security decision in Microsoft PowerShell allows an unauthorized attacker to execute code over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:45 UTC
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
microsoft
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | PowerShell 7.4 |
Affected:
7.4.0 , < 7.4.21
(custom)
|
|
| Microsoft | PowerShell 7.5 |
Affected:
7.5.0 , < 7.5.12
(custom)
|
|
| Microsoft | PowerShell 7.6 |
Affected:
7.6.0 , < 7.6.8
(custom)
|
Date Public
2026-10-13 14:00
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CVE-2026-94606 (GCVE-0-2026-94606)
Vulnerability from cvelistv5 – Published: 2026-09-24 16:23 – Updated: 2026-10-05 15:33
VLAI
EPSS
VEX
Title
authentik: MFA Bypass via State Confusion / Parameter Injection in AuthenticatorEmailStage
Summary
authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, authentik email authenticator enrollment during an authentication or enrollment flow accepts a recipient address supplied in the setup request instead of using the address already established by the flow. An actor who knows a target user's password can substitute an attacker-controlled address, receive the one-time code, and finish enrolling the factor as the target. The target must not have enrolled the email factor already. Successful enrollment gives the actor a session as the target and access to single sign-on applications behind the account. Other authenticator types are not affected. This issue is fixed in versions 2026.2.7, 2026.5.7, and 2026.8.2.
Severity
8.9 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 14:53 UTC
Assigner
GitHub_M
CNA
References
15 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| goauthentik | authentik |
Affected:
< 2026.2.7
Affected: >= 2026.5.0, < 2026.5.7 Affected: >= 2026.8.0, < 2026.8.2 |
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CVE-2026-88210 (GCVE-0-2026-88210)
Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-31 18:10
VLAI
EPSS
VEX
Title
Microsoft Office Word Security Feature Bypass Vulnerability
Summary
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
Severity
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
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Affected:
16.0.1 , < https://aka.ms/OfficeSecurityReleases
(custom)
|
|
| Microsoft | Microsoft Office 365 for Mac |
Affected:
1.0.0 , < 16.114.26101123
(custom)
|
|
| Microsoft | Microsoft Office LTSC 2024 |
Affected:
16.0.0 , < 16.0.17932.21056
(custom)
|
|
| Microsoft | Microsoft Office LTSC for Mac 2021 |
Affected:
16.0.1 , < 16.114.26101123
(custom)
|
|
| Microsoft | Microsoft Office LTSC for Mac 2024 |
Affected:
16.0.0 , < 16.114.26101123
(custom)
|
Date Public
2026-10-13 14:00
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CVE-2026-88004 (GCVE-0-2026-88004)
Vulnerability from cvelistv5 – Published: 2026-09-10 14:33 – Updated: 2026-09-10 15:10
VLAI
EPSS
VEX
Title
Traefik entrypoint header-name sanitization bypassed via request trailers
Summary
Traefik is an open source HTTP reverse proxy and load balancer. From 3.2.0 until 3.7.13, Traefik entrypoint defenses aliasHeadersStrategy, underscoreHeadersStrategy, and forwardedHeaders inspect req.Header but not req.Trailer, allowing an unauthenticated client to submit an aliasing or trusted header name in an HTTP/1.1 chunked trailer or an HTTP/2 trailer. When the retry or buffering middleware reads the body before the reverse proxy clones the request, the attacker-controlled trailer value reaches a backend that merges trailers into the header namespace, bypassing the documented delete or reject behavior and potentially spoofing identity or forwarded routing data. This issue is fixed in 3.7.13.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 15:10 UTC
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/traefik/traefik/security/advis… | x_refsource_CONFIRM |
| https://github.com/traefik/traefik/pull/13822 | x_refsource_MISC |
| https://github.com/traefik/traefik/commit/55bbda4… | x_refsource_MISC |
| https://github.com/traefik/traefik/releases/tag/v3.7.13 | x_refsource_MISC |
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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.