CVE-2026-96872

WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions

Published Sep 23, 2026 CVSS 4.0 · 2.9 Low EPSS < 1% KEV · Not listed
Description
Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs.

This issue affects Mediawiki - WikiLambda Extension: before 1.47.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia mediawiki-wikilambda Extension
Vendors & Products Wikimedia
Wikimedia mediawiki-wikilambda Extension
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Mediawiki - WikiLambda Extension: before 1.47.0.
Title WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions
Weaknesses CWE-280
References
Metrics cvssV4_0

{'score': 2.9, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/AU:Y'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
wikimedia-foundation
Published
Updated
Sep 23, 2026, 7:35 PM
Reserved
Sep 23, 2026, 6:13 PM
Status
Awaiting Analysis
Published
Sep 23, 2026, 7:19 PM
Modified
Sep 24, 2026, 8:02 PM