CVE-2026-33159

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

Published: Mar 24, 2026Updated: Mar 26, 2026 Sources: CVE List NVDCWE-306

6.5MEDIUM

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-306 CWE-862

Affected Products

commercial·NZ

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

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References

https://github.com/craftcms/cms/security/advisories/GHSA-6mrr-q3pj-h53w

github.com

https://github.com/craftcms/cms/commit/7f0ead833f7c2b91ae12003caad833479dd08592

github.com

https://github.com/craftcms/cms/releases/tag/4.17.8

github.com

and 1 more references View all →

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