CVE-2026-33159 — Craft CMS: Unauthenticated users could execute project configuration sync operations that should be restricted trusted users
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 Confi…
Published: 2026-03-24 · CVSS: 6.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7