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CVE-2026-33159

MEDIUM

6.5

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/24/2026

Last Modified3/26/2026

Sourcenvd

Honeypot Sightings0

Affected Products

craftcms:craft_cms

Weaknesses (CWE)

CWE-306CWE-862

References

https://github.com/craftcms/cms/commit/7f0ead833f7c2b91ae12003caad833479dd08592(security-advisories@github.com)

https://github.com/craftcms/cms/releases/tag/4.17.8(security-advisories@github.com)

https://github.com/craftcms/cms/releases/tag/5.9.14(security-advisories@github.com)

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

IOC Correlations

No correlations recorded

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