CVE-2026-75574: Getgrav Grav

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

The Grav Email plugin (getgrav/grav-plugin-email) before 4.2.2 renders page-editor-controlled Email action parameters as unsandboxed Twig templates. An authenticated remote user with only api.access and api.pages.write permissions can place a Twig expression in header.form.process.email.body, publish the page, and submit the form to execute an arbitrary operating-system command as the account running PHP.

Affected products

• Getgrav Grav: before 4.2.2 (fixed in 4.2.2)

Published 2026-08-25. Last modified 2026-08-31.