CVE-2026-33159

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/craftcms/cms/commit/7f0ead833f7c2b91ae12003caad833479dd08592	Patch
https://github.com/craftcms/cms/releases/tag/4.17.8	Release Notes
https://github.com/craftcms/cms/releases/tag/5.9.14	Release Notes
https://github.com/craftcms/cms/security/advisories/GHSA-6mrr-q3pj-h53w	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:craftcms:craft_cms::::::::
	cpe:2.3:a:craftcms:craft_cms::::::::
	cpe:2.3:a:craftcms:craft_cms:4.0.0:-::::::
	cpe:2.3:a:craftcms:craft_cms:4.0.0:rc1::::::
	cpe:2.3:a:craftcms:craft_cms:4.0.0:rc2::::::
	cpe:2.3:a:craftcms:craft_cms:4.0.0:rc3::::::
	cpe:2.3:a:craftcms:craft_cms:5.0.0:-::::::
	cpe:2.3:a:craftcms:craft_cms:5.0.0:rc1::::::

History

No history.

Information

Published : 2026-03-24 18:16

Updated : 2026-03-26 17:08

NVD link : CVE-2026-33159

Mitre link : CVE-2026-33159

CVE.ORG link : CVE-2026-33159

JSON object : View

Products Affected

craftcms

craft_cms

CWE

CWE-306

Missing Authentication for Critical Function

CWE-862

Missing Authorization

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