PT-2026-27464 · Craft Cms · Cms

Published 2026-03-24 · Updated 2026-03-24 · CVE-2026-33159

Mitre

CVSS v4.0

6.9

Medium

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

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.

Fix

Missing Authentication

Missing Authorization

Weakness Enumeration

CWE-306

CWE-862

Related Identifiers

CVE-2026-33159

Affected Products

Cms

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-33159 · Security Note
• https://github.com/craftcms/cms/releases/tag/5.9.14 · Note
• https://github.com/craftcms/cms/commit/7f0ead833f7c2b91ae12003caad833479dd08592 · Note
• https://github.com/craftcms/cms/releases/tag/4.17.8 · Note
• https://github.com/craftcms/cms/security/advisories/GHSA-6mrr-q3pj-h53w · Note