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CVE-2026-103441

Unauthenticated arbitrary file deletion through Wikibase serialized entity parsing

Published
Last modified
published
Not listed in CISA KEV
1 proof of concept on GitHub

Summary

Deserialization of untrusted data vulnerability in The Wikimedia Foundation MediaWiki Wikibase extension allows Leverage Executable Code in Non-Executable Files. This issue affects MediaWiki Wikibase extension: 1.46, 1.45, and 1.43.

Timeline

  1. CVE published

Affected versions

  • The Wikimedia Foundation MediaWiki Wikibase extension

    1.46, 1.45, 1.43

References 3

phabricator.wikimedia.org

gerrit.wikimedia.org

GitHub · BomboBombone/CVE-2026-103441