| Name | CVE-2025-6926 | 
| 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. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DLA-4249-1, DSA-5957-1 | 
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|---|---|---|
| mediawiki (PTS) | bullseye | 1:1.35.13-1+deb11u2 | vulnerable | 
| bullseye (security) | 1:1.35.13-1+deb11u5 | fixed | |
| bookworm, bookworm (security) | 1:1.39.13-1~deb12u1 | fixed | |
| trixie | 1:1.43.3+dfsg-1 | fixed | |
| forky, sid | 1:1.43.5+dfsg-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|---|---|---|---|---|---|
| mediawiki | source | bullseye | 1:1.35.13-1+deb11u4 | DLA-4249-1 | ||
| mediawiki | source | bookworm | 1:1.39.13-1~deb12u1 | DSA-5957-1 | ||
| mediawiki | source | (unstable) | 1:1.43.3+dfsg-1 | 
https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/TT45WDZ7MDTXXBEFLBMLAJI532O2PN2U/
https://phabricator.wikimedia.org/T389010
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CentralAuth/+/1165164 (master)
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1165117 (master)
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1165090 (REL1_39)