#VU125921 OS Command Injection in Simple Git - CVE-2026-28292
Published: April 14, 2026
Vulnerability identifier: #VU125921
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-28292
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Simple Git
Simple Git
Software vendor:
Steve King
Steve King
Description
The vulnerability allows a remote attacker to execute arbitrary OS commands.
The vulnerability exists due to improper neutralization of special elements used in an OS command in the blockUnsafeOperationsPlugin preventProtocolOverride function when processing user-controlled git arguments. A remote attacker can pass a mixed-case or uppercase protocol.allow configuration together with a malicious ext:: URL to execute arbitrary OS commands.
Exploitation requires control over arguments passed to git operations such as customArgs.
Remediation
Install security update from vendor's website.