CVE-2026-34093 — Special:UserRights allows viewing user rights from private wiki

CVE-2026-34093

Special:UserRights allows viewing user rights from private wiki PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Wikimedia Foundation / MediaWiki	affected * before 1.43.7, 1.44.4, 1.45.2

CWE

CWE-200

References

https://phabricator.wikimedia.org/T414547

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.