CVE-2025-6926

Name: CVE-2025-6926
Creator: NVD / NIST
Published: 2025-07-03T17:15:41.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2025-6926 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.38%

29.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

References

Timeline

Published: Jul 3, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-6926?

How severe is CVE-2025-6926?

CVE-2025-6926 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6926?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-6926?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST