CVE-2026-72827

High

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.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Grav

PublishedAug 14, 2026

First seenAug 14, 2026

Weakness typeCWE-1336CWE-1336

How to fix

Update

getgrav grav2.0.13 or later

Vendor advisories

github.com/getgrav/grav/security/advisories/GHSA-xx48-97m4-h7qm

Affected products

Product	Affected versions	Fixed in
getgrav grav	v < 2.0.13	2.0.13

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