CVE-2025-6926

HIGH

Mediawiki - CentralAuth Extension <1.39.13-1.43.2 - Auth Bypass

Title source: llm

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 (3)

Core 3

Core References

Mailing List

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

Issue Tracking

https://phabricator.wikimedia.org/T389010

Various Sources

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

Scores

CVSS v3 8.8

EPSS 0.0038

EPSS Percentile 29.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-287

Status published

Products (3)

Wikimedia Foundation/Mediawiki - CentralAuth Extension 1.39.x - 1.39.13

Wikimedia Foundation/Mediawiki - CentralAuth Extension 1.42.x - 1.42.7

Wikimedia Foundation/Mediawiki - CentralAuth Extension 1.43.x - 1.43.2

Published Jul 03, 2025

Tracked Since Feb 18, 2026