CVE-2026-109318
Grav Git Sync 1.0.2 through 3.4.12 Command Injection via Commit Author
- State
- Published
- Severity
- 8.7 High
- Published
- Oct 12, 2026
- Updated
- Oct 13, 2026
- Reserved
- Oct 12, 2026
Description
Grav Git Sync 1.0.2 through 3.4.12 contains a command injection vulnerability that allows authenticated content editors to execute OS commands by injecting shell substitutions into profile fields. When the gravuser or gravfull author mode is enabled, attackers can set a malicious username, full name, or email that reaches PHP exec() via git commit --author, running commands as the web-server account.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products
| Product | Versions |
|---|---|
grav-plugin-git-synctrilbymedia |
|
References
- GitHub Security Advisory (GHSA-c89w-55m3-fmf7)vendor-advisorythird-party-advisory
- VulnCheck Advisory: Grav Git Sync 1.0.2 through 3.4.12 Command Injection via Commit Authorthird-party-advisory
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