CVE-2026-34092 The advisory has been revoked - it doesn't affect any version of package mediawiki (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2510-MEDIAWIKI-15963083
- published25 May 2026
- disclosed11 May 2026
Introduced: 11 May 2026
CVE-2026-34092 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:25.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Ubuntu.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Skin/Skin.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.