CVE-2026-58026 — $wgNonincludableNamespaces can be bypassed by embedding redirect in other namespaces

CVE-2026-58026

$wgNonincludableNamespaces can be bypassed by embedding redirect in other namespaces PUBLISHED

Description (CNA)

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Parser/Parser.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Affected (CNA)

Vendor / product	Versions
Wikimedia Foundation / MediaWiki	affected * before 1.46.0, 1.45.4, 1.44.6, 1.43.9

CWE

CWE-200

References

https://phabricator.wikimedia.org/T299359

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.