CVE-2026-103446
WikiLambda exposes anonymous execution of unsaved Abstract Wikipedia fragments
- State
- Published
- Severity
- 7.4 High
- Published
- Sep 30, 2026
- Updated
- Oct 6, 2026
- Reserved
- Sep 30, 2026
Description
Authorization bypass through User-Controlled key vulnerability in The Wikimedia Foundation MediaWiki WikiLambda extension allows Authentication Bypass.
This issue affects MediaWiki WikiLambda extension: 1.46.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.4 High | CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber | wikimedia-foundation |
Weaknesses
- CWE-639 Authorization bypass through User-Controlled key
Affected Products
| Product | Versions |
|---|---|
MediaWiki WikiLambda extensionThe Wikimedia Foundation |
|
References
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