CVE-2026-87819
GitPython before 3.1.60 Denial of Service via ReDoS
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 9, 2026
- Updated
- Oct 8, 2026
- Reserved
- Sep 9, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-1333 Inefficient Regular Expression Complexity
Affected Products
| Product | Versions |
|---|---|
GitPythongitpython-developers |
|
References
- GitHub Security Advisory (GHSA-g5vv-9gxw-82hx)vendor-advisory
- VulnCheck Advisory: GitPython before 3.1.60 Denial of Service via ReDoSthird-party-advisory
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