Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux,… (CVE-2026-96872)
An improper handling of insufficient permissions or privileges vulnerability exists in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows. This flaw allows access to functionality that is not properly constrained by access control lists (ACLs). The issue affects versions of the WikiLambda Extension before 1.47.0. The vulnerability is classified under CWE-280, indicating improper access control. No patch or remediation details are provided in the available data. The vulnerability has a low severity rating.
AI Analysis
Technical Summary
CVE-2026-96872 describes an improper handling of insufficient permissions or privileges vulnerability in the Mediawiki WikiLambda Extension. This flaw allows unauthorized access to functionality that should be restricted by ACLs. The vulnerability affects versions prior to 1.47.0 across multiple operating systems including Linux, MacOS, and Windows. The CVSS 4.0 vector indicates network attack vector with high attack complexity and no privileges or user interaction required, but with low impact on confidentiality and integrity and no impact on availability. There are no known exploits in the wild and no patch links provided in the data.
Potential Impact
The vulnerability allows unauthorized users to access functionality that should be restricted, potentially leading to unauthorized actions within the WikiLambda Extension. However, the overall impact is rated low, indicating limited risk to confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch links or official fixes are provided, users should monitor official Wikimedia Foundation advisories for updates. Until a fix is available, restrict access to the WikiLambda Extension where possible and review ACL configurations to minimize exposure.
Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux,… (CVE-2026-96872)
Description
An improper handling of insufficient permissions or privileges vulnerability exists in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows. This flaw allows access to functionality that is not properly constrained by access control lists (ACLs). The issue affects versions of the WikiLambda Extension before 1.47.0. The vulnerability is classified under CWE-280, indicating improper access control. No patch or remediation details are provided in the available data. The vulnerability has a low severity rating.
CVSS v4.0
Affected software
pkg:github/wikimedia/extensions/WikiLambdaRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-96872 describes an improper handling of insufficient permissions or privileges vulnerability in the Mediawiki WikiLambda Extension. This flaw allows unauthorized access to functionality that should be restricted by ACLs. The vulnerability affects versions prior to 1.47.0 across multiple operating systems including Linux, MacOS, and Windows. The CVSS 4.0 vector indicates network attack vector with high attack complexity and no privileges or user interaction required, but with low impact on confidentiality and integrity and no impact on availability. There are no known exploits in the wild and no patch links provided in the data.
Potential Impact
The vulnerability allows unauthorized users to access functionality that should be restricted, potentially leading to unauthorized actions within the WikiLambda Extension. However, the overall impact is rated low, indicating limited risk to confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch links or official fixes are provided, users should monitor official Wikimedia Foundation advisories for updates. Until a fix is available, restrict access to the WikiLambda Extension where possible and review ACL configurations to minimize exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-c7v9-97f3-3pxf
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-96872"]
- Database Specific Severity
- LOW
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ab4be87f7a7c54106f0df1a
Added to database: 09/24/2026, 06:09:11 UTC
Last enriched: 09/24/2026, 06:57:03 UTC
Last updated: 09/25/2026, 04:47:34 UTC
Views: 7
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