Wikimedia Foundation

Incidents

1. Tuesday, September 29

   • cve.now CVE-2026-100240
     Wikimedia Foundation Mediawiki - TemplateSandbox Extension

     • Wikimedia Foundation Mediawiki - TemplateSandbox Extension
     • Critical
     • CVSS 9.1
     • EPSS 0.3%
     • Fixed version listed
     16:26 UTC