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.
Published: 2026-09-30
Score: 7.4 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Advisories

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History

Wed, 30 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
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.
Title WikiLambda exposes anonymous execution of unsaved Abstract Wikipedia fragments
Weaknesses CWE-639
References
Metrics cvssV4_0

{'score': 7.4, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-30T17:13:02.339Z

Reserved: 2026-09-30T15:41:01.270Z

Link: CVE-2026-103446

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-30T18:18:17.017

Modified: 2026-09-30T18:18:17.017

Link: CVE-2026-103446

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key