SB2026041459 - OS Command Injection in Simple Git
Published: April 14, 2026
Security Bulletin ID
SB2026041459
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) OS Command Injection (CVE-ID: CVE-2026-28292)
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 update from vendor's website.