CVE-2026-109318 Grav Git Sync - Command Injection

Grav Git Sync 1.0.2 through 3.4.12 contains a command injection caused by shell substitutions in profile fields reaching PHP exec() via git commit --author, letting authenticated content editors execute OS commands as the web-server account.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
1.22% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to the latest version beyond 3.4.12.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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