CVE-2026-0669

PoC —

CVSS 3.1

7.5 high

EPSS

<1%p36

Published

Jan 7, 2026 (Jan 7, 2026)

Modified

Jun 17, 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.

Vendors: css project
Products: css
Weakness: CWE-22
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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