CVE-2026-87819

HIGH 7.5

GitPython before 3.1.60 Denial of Service via ReDoS

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-1333
Vendor	gitpython-developers
Product	gitpython
Published	Sep 9, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

gitpython-developers / GitPython

0 < 3.1.60

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 prvazsahnazarov 🔍 manus-use