CVE-2025-6926: Improper Authentication vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows : Bypass Authentication.This issue affects Mediawiki -…

PriorityP350high8.8CVSS 3.1

AVNACLPRNUIRSUCHIHAH

EPSS

0.38%

30.0th percentile

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.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
debian	mediawiki	< mediawiki 1:1.39.13-1~deb12u1 (bookworm)	mediawiki 1:1.39.13-1~deb12u1 (bookworm)
mediawiki	mediawiki	>= 0 < 1:1.35.13-1+deb11u4	1:1.35.13-1+deb11u4
mediawiki	mediawiki	>= 0 < 1:1.39.13-1~deb12u1	1:1.39.13-1~deb12u1
mediawiki	mediawiki	>= 0 < 1:1.43.3+dfsg-1	1:1.43.3+dfsg-1
mediawiki	mediawiki	>= 0 < 1:1.43.3+dfsg-1	1:1.43.3+dfsg-1
wikimedia_foundation	mediawiki_centralauth_extension	>= 1.39.x < 1.39.13	1.39.13
wikimedia_foundation	mediawiki_centralauth_extension	>= 1.42.x < 1.42.7	1.42.7
wikimedia_foundation	mediawiki_centralauth_extension	>= 1.43.x < 1.43.2	1.43.2

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

osv8.8HIGH

vendor_debian8.8HIGH

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