CVE-2026-96872WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions
Updated under an hour ago ()
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It affects The Wikimedia Foundation Mediawiki - WikiLambda Extension. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 2.9 LOW (v4.0, CNA)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
- Weakness (CWE)
- CWE-280
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- wikimedia-foundation
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
The Wikimedia Foundation Mediawiki - WikiLambda Extension wikimedia_foundation:mediawiki_wikilambda_extension (from the name) | before 1.47.0 | CNA record |
References
- https://phabricator.wikimedia.org/T435085
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikiLambda/+/1326392
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.