CVE-2026-76221

Summary

GitPython before 3.1.58 contains a config-name injection vulnerability in the option-name validator that allows attackers to forge arbitrary git-config directives by injecting equals signs, hash symbols, and whitespace into option names. Attackers can inject malicious option names like 'sshCommand = touch /tmp/RCE #' to execute arbitrary commands via core.sshCommand or core.hooksPath on the next git operation.

Affected Software

Weaknesses

• CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

References

• https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-jm78-9fvv-mhgr
• https://www.vulncheck.com/advisories/gitpython-before-config-injection-via-option-name

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