CVE-2025-6926
8.8
HIGH
CVSS 3.1
EPSS 0.27%
Description
Improper Authentication vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows : Bypass Authentication.This issue affects Mediawiki - CentralAuth Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
How to fix CVE-2025-6926
To remediate CVE-2025-6926, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.35.13-1+deb11u4 or later
Is CVE-2025-6926 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:1.35.13-1+deb11u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |