CVE-2026-103441
High
Description
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductMediaWiki Wikibase extension
PublishedSep 30, 2026
First seenSep 30, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| The Wikimedia Foundation MediaWiki Wikibase extension | 1.46, 1.45, 1.43 | — |
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