CVE-2026-0669

HighCVSS 7.5/10Last modified Oct 26, 2026

Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Wikimedia Foundation MediaWiki - CSS extension allows Path Traversal.This issue affects MediaWiki - CSS extension: 1.44, 1.43, 1.39.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
Wikimedia Foundation	MediaWiki - CSS extension	1.44; 1.43; 1.39

References

https://gerrit.wikimedia.org/r/q/Ia15bf3f2e5a341868568492a736ac3dbf706c22ePatch
https://phabricator.wikimedia.org/T401526Exploit, Issue Tracking

Timeline

Published: Jan 7, 2026
Last modified: Oct 26, 2026
NVD status: Analyzed

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