Web Application Vulnerabilities Runtime SCA Findings
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Craft CMS Missing Authentication for Critical Function Vulnerability - CVE-2026-33159 - Vulnerability Database
Craft CMS

Craft CMS Missing Authentication for Critical Function Vulnerability - CVE-2026-33159

Medium
Reference: CVE-2026-33159
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2026-33159
Title: Craft CMS Missing Authentication for Critical Function Vulnerability
Overview:

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.