OS Command Injection in Grav CMS - #VU130082
Published: May 5, 2026
Vulnerability identifier: #VU130082
CSH Severity: Medium
CVSS v4.0: 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:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Grav CMS
Affected software:
Grav CMS
Grav CMS
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary commands.
The vulnerability exists due to improper neutralization of special elements used in an os command in InstallCommand git clone handling when constructing a git clone command from branch, url, and path values. A remote user can supply specially crafted dependency values to execute arbitrary commands.
The vulnerable functionality is reachable through plugin or theme installation.
Remediation
Install security update from vendor's website.