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CVE-2025-6926

CVE-2025-6926 · Security Authentication Bypass in CentralAuth

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 8.8 · High · EPSS 0.5% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • mediawiki - centralauth extension

    Versions
    • ≥ 1.39.x, < 1.39.13: Affected (semver)
    • ≥ 1.42.x, < 1.42.7: Affected (semver)
    • ≥ 1.43.x, < 1.43.2: Affected (semver)

    Update to 1.39.13; Update to 1.42.7; Update to 1.43.2

  • mediawiki Debian:12

    Versions
    • 1:1.39.10-1
    • 1:1.39.10-1~deb12u1
    • 1:1.39.12-1~deb12u1
    • 1:1.39.2-1
    • 1:1.39.4-1
    • 1:1.39.4-1~deb12u1
    • 1:1.39.4-2
    • 1:1.39.5-1
    • 1:1.39.5-1~deb12u1
    • 1:1.39.6-1
    • 1:1.39.7-1
    • 1:1.39.7-1~deb12u1
    • 1:1.39.8-1
    Affected ranges
    • ECOSYSTEM: < 1:1.39.13-1~deb12u1

    Update to 1:1.39.13-1~deb12u1

  • mediawiki Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:1.43.3+dfsg-1

    Update to 1:1.43.3+dfsg-1

  • mediawiki Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:1.43.3+dfsg-1

    Update to 1:1.43.3+dfsg-1

  • mediawiki Ubuntu:18.04:LTS

    Versions
    • 1:1.27.3-1
    • 1:1.27.4-1
    • 1:1.27.4-2
    • 1:1.27.4-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:Pro:20.04:LTS

    Versions
    • 1:1.31.2-1ubuntu1
    • 1:1.31.5-1
    • 1:1.31.5-1ubuntu1
    • 1:1.31.5-2
    • 1:1.31.5-3
    • 1:1.31.5-3ubuntu1
    • 1:1.31.6-1
    • 1:1.31.7-1
    • 1:1.31.7-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:Pro:22.04:LTS

    Versions
    • 1:1.35.3-1
    • 1:1.35.4-1
    • 1:1.35.5-1
    • 1:1.35.5-1ubuntu1
    • 1:1.35.5-1ubuntu2
    • 1:1.35.5-1ubuntu3
    • 1:1.35.6-1
    • 1:1.35.6-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:Pro:24.04:LTS

    Versions
    • 1:1.39.4-2
    • 1:1.39.5-1
    • 1:1.39.6-1
    • 1:1.39.7-1
    • 1:1.39.7-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:25.10

    Versions
    • 1:1.43.1+dfsg-1
    • 1:1.43.1+dfsg-2
    • 1:1.43.3+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:26.10

    Versions
    • 1:1.43.8+dfsg-2
    • 1:1.43.9+dfsg-1
    • 1:1.43.9+dfsg-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:26.04:LTS

    Versions
    • 1:1.43.3+dfsg-1
    • 1:1.43.5+dfsg-1
    • 1:1.43.6+dfsg-2
    • 1:1.43.8+dfsg-1
    • 1:1.43.8+dfsg-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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