# CVE-2026-87819

## Summary

- **CVE ID:** CVE-2026-87819
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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)
- **CWE:** CWE-1333
- **Published:** Sep 9, 2026
- **Last Modified:** 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.

## Affected Products

- gitpython-developers — GitPython (0)
- gitpython-developers — GitPython (3.1.60)

## References

- [CNA](https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-g5vv-9gxw-82hx)
- [CNA](https://www.vulncheck.com/advisories/gitpython-before-3.1.60-denial-of-service-via-redos)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.28%
- **EPSS Percentile:** 20.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._