CVE-2026-103446

High

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.

SeverityHigh

CVSS7.4

Exploit probability—

ProductMediaWiki WikiLambda extension

PublishedSep 30, 2026

First seenSep 30, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

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 WikiLambda extension	1.46	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.