Vulnerability in Getgrav Grav
CVE-2026-72827
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (56.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.009 · change: +0.004
Affected products
- Getgrav Grav — versions 0, 2.0.13
Weakness classification (CWE)
References
- github.com/getgrav/grav/security/advisories/GHSA-xx48-97m4-h7qm (vendor-advisory)
- www.vulncheck.com/advisories/grav-cms-before-remote-code-execution-via-twig (third-party-advisory)
Frequently asked questions
- What is CVE-2026-72827?
- CVE-2026-72827 is a high-severity vulnerability in Getgrav Grav, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 8.8/10. Published 2026-08-14.
- How severe is CVE-2026-72827?
- High severity. CVSS v3 base score is 8.8 out of 10.