CVE-2026-87819
Published:September 09, 2026
Updated:September 22, 2026
GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.name_email_regex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic backtracking, exhausting CPU resources for over two minutes per commit access.
Affected Packages
gitpython (CONDA):
Affected version(s) >=1.0.1 <3.1.60Fix Suggestion:
Update to version 3.1.60https://github.com/gitpython-developers/GitPython.git (GITHUB):
Affected version(s) >=0.2.0-beta1 <3.1.60Fix Suggestion:
Update to version 3.1.60gitpython (PYTHON):
Affected version(s) >=0.2.0-beta1 <3.1.60Fix Suggestion:
Update to version 3.1.60Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
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
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Inefficient Regular Expression Complexity
EPSS
Base Score:
0.29