CVE-2026-75574 Grav before 4.2.2 Remote Code Execution via Email Twig
Authenticated users with page write permissions can execute arbitrary OS commands via unsandboxed Twig templates in the Grav Email plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-75574?
CVE-2026-75574 is a high-severity code injection vulnerability in getgrav grav, published on 25 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-1336
Which versions are affected by CVE-2026-75574?
How do I fix CVE-2026-75574?
No fix has been published for CVE-2026-75574 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-75574 being exploited?
There is no known exploitation of CVE-2026-75574 in the wild and no public exploit code.
Sources
Also known as GHSA-3625-697m-q29v.