Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-73623
Published:August 13, 2026
Updated:August 25, 2026
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.
Affected Packages
gitpython (CONDA):
Affected version(s) >=1.0.1 <3.1.54
Fix Suggestion:
Update to version 3.1.54
https://github.com/gitpython-developers/GitPython.git (GITHUB):
Affected version(s) >=3.0.0 <3.1.54
Fix Suggestion:
Update to version 3.1.54
gitpython (PYTHON):
Affected version(s) >=0.1.7 <3.1.54
Fix Suggestion:
Update to version 3.1.54
Do you need more information?
Contact Us
CVSS v4
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Incomplete List of Disallowed Inputs
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
EPSS
Base Score:
0.69