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CVE-2026-33159GHSA-6MRR-Q3PJ-H53W

Craft CMS: Unauthenticated users could execute project configuration sync operations that should be restricted trusted users

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.17.8, 5.9.14
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: partial

Summary

Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.8 and from version 5.0.0-RC1 to before version 5.9.14, guest users can access Config Sync updater index, obtain signed data, and execute state-changing Config Sync actions (regenerate-yaml, apply-yaml-changes) without authentication. This issue has been patched in versions 4.17.8 and 5.9.14.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • craftcms cms

    From 4.0.0-RC1 · fixed in 4.17.8; From 5.0.0-RC1 · fixed in 5.9.14

  • craftcms/cmsPackagist

    From 5.0.0-RC1 · fixed in 5.9.14

  • craftcms/cmsPackagist

    From 4.0.0-RC1 · fixed in 4.17.8

References 4

GitHub · craftcms/cms