CVE-2026-87819
Received Received - Intake

Regular Expression Denial of Service in GitPython

Vulnerability report for CVE-2026-87819, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-09

Last updated on: 2026-09-09

Assigner: VulnCheck

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.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-09
Last Modified
2026-09-09
Generated
2026-09-09
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
gitpython_developers gitpython to 3.1.60 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-1333 The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

Attack-Flow Graph

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