CVE-2025-6926

8.8 highEPSS 0.5%

High (8.8). EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2025-07-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1165117
https://phabricator.wikimedia.org/T389010
https://lists.debian.org/debian-lts-announce/2025/07/msg00012.html

Check your stack JSON