CVE-2026-87819

EUVD-2026-74845
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 43.45%
Affected Products (NVD)
VendorProductVersion
gitpython_projectgitpython
𝑥
< 3.1.60
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-git
bookworm
vulnerable
forky
3.1.62-3
fixed
sid
3.2.1-1
fixed
trixie
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python-git
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-g5vv-9gxw-82hx
https://www.vulncheck.com/advisories/gitpython-before-3.1.60-denial-of-service-via-redos