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.
Published: 2025-07-03
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4249-1 mediawiki security update
Debian DSA Debian DSA DSA-5957-1 mediawiki security update
EUVD EUVD EUVD-2025-19884 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.
History

Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Thu, 03 Jul 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 03 Jul 2025 16:45:00 +0000

Type Values Removed Values Added
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.
Title Security Authentication Bypass in CentralAuth
Weaknesses CWE-287
References

Subscriptions

Mediawiki Mediawiki
cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2025-11-03T20:07:17.094Z

Reserved: 2025-06-30T14:28:12.256Z

Link: CVE-2025-6926

cve-icon Vulnrichment

Updated: 2025-11-03T20:07:17.094Z

cve-icon NVD

Status : Deferred

Published: 2025-07-03T17:15:41.100

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-6926

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-13T22:31:32Z

Weaknesses