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.

Project Subscriptions

No data.

Advisories
Source ID Title
Github GHSA Github GHSA GHSA-6mrr-q3pj-h53w Craft CMS: Unauthenticated Users Can Perform Restricted Project Config Sync Operations
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 24 Mar 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 24 Mar 2026 17:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Craft CMS: Unauthenticated users could execute project configuration sync operations that should be restricted trusted users
Weaknesses CWE-306
CWE-862
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-24T17:57:50.529Z

Reserved: 2026-03-17T21:17:08.887Z

Link: CVE-2026-33159

cve-icon Vulnrichment

Updated: 2026-03-24T17:57:42.509Z

cve-icon NVD

Status : Received

Published: 2026-03-24T18:16:09.907

Modified: 2026-03-24T18:16:09.907

Link: CVE-2026-33159

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses