CVE-2026-34093

EUVD-2026-29107
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.

 This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php.



This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 12%
Debian logo
Debian Releases
Debian Product
Codename
mediawiki
bookworm
vulnerable
bookworm (security)
1:1.39.17-1+deb12u2
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
1:1.43.8+dfsg-2
fixed
sid
1:1.43.8+dfsg-2
fixed
trixie
vulnerable
trixie (security)
1:1.43.8+dfsg-1~deb13u1
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://phabricator.wikimedia.org/T414547