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Vulnerability record · CVE-2026-72827 · published 14 August 2026

CVE-2026-72827: Grav CMS before 2.0.13 contains a server-side template injection vulnerability in email-action parameters that…

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.

8.7 CVSS 4.0 High EPSS 0.85% · top 43.5% CWE-1336 · CWE-1336 Deferred
8.7CVSS 4.0 base score
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
8 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-72827), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.