CVE-2026-103446 (GCVE-0-2026-103446)

Vulnerability from cvelistv5 – Published: 2026-09-30 17:13 – Updated: 2026-10-06 18:25
VLAI
Title
WikiLambda exposes anonymous execution of unsaved Abstract Wikipedia fragments
Summary
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.
Severity
7.4 (High)
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
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 18:25 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
wikimedia-foundation CNA under the mitre root
CNA scorecard C 69/100 over 81 records in the last 180 days details
References
Impacted products
Credits
Marco Paciaroni (BomboBombone)
Show details on NVD website
To clipboard 

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