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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
NVD MITRE
EPSS Score
0.3%
Top 77.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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

AV:NAC:LPR:NUI:NS:UC:LI:LA:N
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-306CWE-862

Affected Products

cmscraftcmsWeb & CMS Plugins
craft cmscraftcmsWeb & CMS Plugins
craftcmscommercialNZWeb & CMS Plugins

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

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 →

Timeline

Published
Mar 24, 2026
Last Updated
Mar 26, 2026

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