CVE-2026-103441

UNKNOWN 0.0

Unauthenticated arbitrary file deletion through Wikibase serialized entity parsing

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502
Vendor	the wikimedia foundation
Product	mediawiki wikibase extension
Published	Sep 30, 2026

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Affected Versions

The Wikimedia Foundation / MediaWiki Wikibase extension

1.46 1.45 1.43

References

NVD ↗ CVE.org ↗ EPSS Data ↗

phabricator.wikimedia.org: https://phabricator.wikimedia.org/T435210 gerrit.wikimedia.org: https://gerrit.wikimedia.org/r/q/Id35bf747e48370e474d9b9444bd7520b24836e8d

Credits

🔍 Marco Paciaroni (BomboBombone)