CVE-2026-103441

Published Sep 30, 2026 Modified Sep 30, 2026 CWE-502

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.

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Weakness Type (CWE)

CWE-502 Deserialization of Untrusted Data

References

Frequently Asked Questions

What is CVE-2026-103441? +
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.
How do I check if I'm vulnerable to CVE-2026-103441? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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