CVE-2026-103446

Published Sep 30, 2026 Modified Sep 30, 2026 CWE-639

Description

Authorization bypass through User-Controlled key vulnerability in The Wikimedia Foundation MediaWiki WikiLambda extension allows Authentication Bypass. This issue affects MediaWiki WikiLambda extension: 1.46.

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Weakness Type (CWE)

CWE-639 CWE-639

References

Frequently Asked Questions

What is CVE-2026-103446? +
Authorization bypass through User-Controlled key vulnerability in The Wikimedia Foundation MediaWiki WikiLambda extension allows Authentication Bypass. This issue affects MediaWiki WikiLambda extension: 1.46.
How do I check if I'm vulnerable to CVE-2026-103446? +
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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