CVE-2025-6926

high

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.

References

https://phabricator.wikimedia.org/T389010

https://lists.debian.org/debian-lts-announce/2025/07/msg00012.html

https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1165117

Details

Source: Mitre, NVD

Published: 2025-07-03

Updated: 2025-11-03

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00075