CVE-2026-72827 Grav CMS before 2.0.13 Remote Code Execution via Twig
Low-privileged page editors can execute arbitrary OS commands via Twig injection in email-action parameters, risking full server compromise.
- 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-2026-72827?
CVE-2026-72827 is a high-severity code injection vulnerability in getgrav grav, published on 14 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Grav CMS before 2.0.13 contains a server-side template injection vulnerability in email-action parameters that allows low-privileged page editors to execute arbitrary operating-system commands. Attackers can inject Twig payloads using the unsandboxed find filter in email subject, body, to, or from fields to achieve remote code execution when forms are submitted.
Weakness: CWE-1336
Which versions are affected by CVE-2026-72827?
How do I fix CVE-2026-72827?
No fix has been published for CVE-2026-72827 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-2026-72827 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-72827 exists.
Sources
Also known as GHSA-4jrc-qc5x-3wrr, GHSA-xx48-97m4-h7qm.