Unauthenticated arbitrary file deletion through Wikibase serialized entity parsing
38Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7.2
from disclosure to weapon0 days
Published on NVDSep 30
1st PoCSep 30
exploitation probability
—
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:P/S:N/AU:Y/R:I/V:C/RE:M/U:Red
Affected products
The Wikimedia Foundation · MediaWiki Wikibase extensionpublic PoCs found — 1
githubgithub.com/BomboBombone/CVE-2026-103441★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.