CVE-2026-96872 json
WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions
published 2026-09-23 46 d ago modified 2026-09-24 45 d ago also EUVD-2026-85562
- cvss
- 2.9
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- The Wikimedia Foundation Mediawiki - WikiLambda Extension 1.47.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 46 d ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 2.9 | 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 |
| CNA | 4.0 | 2.9 | 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X |
Affected products
- The Wikimedia Foundation Mediawiki - WikiLambda Extension
Classification
- Weakness
-
- CWE-280 Improper Handling of Insufficient Permissions or Privileges
References
Sources
- CVE List CVE-2026-96872
- NVD CVE-2026-96872
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.