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CVE-2026-110856

7.5, high

GitPython before 3.2.0 contains a regular expression denial of service vulnerability in the _re_actor_epoch pattern used by…

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
7.5, high high CVSS v3.1
EPSS, next 30 days
0.3% higher than 18.9% of scored CVEs
Exploitation
No public evidence
Published
14 Oct 20263 days ago

Description

GitPython before 3.2.0 contains a regular expression denial of service vulnerability in the _re_actor_epoch pattern used by parse_actor_and_date on author, committer, and tagger lines. Attackers can serve repositories with commit or tag objects containing long space-filled lines lacking a valid epoch or timezone, causing quadratic backtracking and CPU exhaustion.

Details

Vendor
Gitpython-developers
Product
GitPython
Weakness
CWE-1333 (opens in a new tab)
Status
Awaiting analysis
Updated
15 Oct 2026
Assigner
disclosure@vulncheck.com

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

References 2

Advisories 1

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Gitpython-developers CVEs

Every Gitpython-developers CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-110857 GitPython before 3.2.0 contains a remote code execution vulnerability that allows attackers to run commands because Git.ls_remote… EPSS 0.4% 7.5, high
  • CVE-2026-110858 GitPython from 3.1.30 before 3.2.0 contains a remote code execution vulnerability in Remote.pull() whose unsafe-option guard inspects… EPSS 0.5% 8.1, high
  • CVE-2026-110859 GitPython before 3.2.0 contains an argument injection vulnerability in Head.checkout() that allows remote attackers to read arbitrary… EPSS 0.3% 7.5, high

Beyond this page

Is CVE-2026-110856 in your network?

This page tells you how dangerous CVE-2026-110856 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.