Is CVE-2026-73623 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-73623?

CVE-2026-73623 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-73623

Description

GitPython before 3.1.54 contains an incomplete denylist in unsafe_git_clone_options that omits --template, allowing attackers to achieve arbitrary command execution during clone operations. Attackers can supply --template pointing to a directory containing malicious post-checkout hooks that execute when git clones the repository.