Craft CMS: Sensitive File Disclosure / Server-Side File Read

The dataUrl Twig function is included in Craft’s Twig sandbox allowlist, allowing any control panel user granted the utility:system-messages permission to embed a file-reading payload into system email templates. When those emails are sent, the server reads the target file and returns its content...

CVE-2026-55792 Craft CMS: Sensitive File Disclosure / Server-Side File Read

Craft CMS is a content management system CMS. In versions starting from 4.0.0-RC1 and prior to 4.18.0, and 5.0.0-RC1 and above, prior to 5.10.0, the dataUrl Twig function is included in Craft’s Twig sandbox allowlist, allowing any control panel user granted the utility:system-messages permission ...