Fluid Attacks Database

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Package	Affected version	Patched versions
debian 14	mediawiki	=1:1.43.3+dfsg-1 \|\| =1:1.43.5+dfsg-1 \|\| =1:1.43.6+dfsg-1 \|\| =1:1.43.6+dfsg-1~deb13u1 \|\| =1:1.43.6+dfsg-2 \|\| =1:1.43.8+dfsg-1~deb13u1 \|\| >=0 <1:1.43.8+dfsg-1	1:1.43.8+dfsg-1
debian 13	mediawiki	=1:1.43.3+dfsg-1 \|\| =1:1.43.5+dfsg-1 \|\| =1:1.43.6+dfsg-1 \|\| =1:1.43.6+dfsg-1~deb13u1 \|\| =1:1.43.6+dfsg-2 \|\| >=0 <1:1.43.8+dfsg-1~deb13u1	1:1.43.8+dfsg-1~deb13u1

Aliases

1. CVE-2026-340912. NVD-2026-340913. OSV-DEBIAN-2026-340914. OSV-2026-340915. SECURITY-TRACKER-CVE-2026-34091

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