CVE-2026-87819

HIGH CVSS 4.0: 8.7
Updated Sep 09, 2026
Gitpython_Project
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions before 3.1.60
Fixed In 3.1.60
Type CWE-1333 (Inefficient Regular Expression Complexity / ReDoS)
Vendor Gitpython_Project
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Gitpython_Project Gitpython
cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:*:*:*
3.1.60