CVE-2025-6926
Publication date 3 July 2025
Last updated 10 July 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| mediawiki | 25.10 questing |
Needs evaluation
|
| 25.04 plucky |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
8.8 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2025-6926
- 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)