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Alerts This Week
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Debian DSA-6208-1 MediaWiki High Info Disclosure and Permission Issues

debian
Calendar Grey April 12, 2026
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Debian Advisory DSA-6208-1 addresses multiple MediaWiki security issues leading to information exposure. Upgrade now.
Multiple security issues were discovered in MediaWiki, a website engine for collaborative work, which could result in information disclosure or incomplete permission checks
Topics%20covered

Topics Covered

security advisory debian information disclosure permission check mediawiki oldstable

Summary

For the oldstable distribution (bookworm), these problems have been fixed
in version 1:1.39.17-1+deb12u2.

For the stable distribution (trixie), these problems have been fixed in
version 1:1.43.8+dfsg-1~deb13u1.

We recommend that you upgrade your mediawiki packages.

For the detailed security status of mediawiki please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/mediawiki

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
important
Lowest
Low
Medium
High
Critical

Package: mediawiki
CVE ID: CVE-2026-34086 CVE-2026-34087 CVE-2026-34088

Topics%20covered

Topics Covered

security advisory debian information disclosure permission check mediawiki oldstable

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