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Vulnerability record · CVE-2026-78677 · published 25 August 2026

CVE-2026-78677: Gitpython project gitpython path traversal vulnerability

Gitpython Project · Gitpython

GitPython before 3.1.59 omits --separate-git-dir from unsafe_git_clone_options, allowing attackers to create arbitrary git directories outside the intended clone destination. Attackers can pass a separate_git_dir parameter to Repo.clone_from() or Repo.clone() to redirect repository metadata to an attacker-controlled filesystem path, enabling arbitrary directory creation and potential hook execution.

8.7 CVSS 4.0 High EPSS 0.65% · top 50.8% CWE-22 · Path traversal
8.7CVSS 4.0 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
2 Sep 2026Last modified by NVD

Description

GitPython before 3.1.59 omits --separate-git-dir from unsafe_git_clone_options, allowing attackers to create arbitrary git directories outside the intended clone destination. Attackers can pass a separate_git_dir parameter to Repo.clone_from() or Repo.clone() to redirect repository metadata to an attacker-controlled filesystem path, enabling arbitrary directory creation and potential hook execution.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-8mcc-hrx5-hvxc ExploitVendor Advisory
https://www.vulncheck.com/advisories/gitpython-before-path-traversal-via-separate-git-dir Third Party Advisory
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-8mcc-hrx5-hvxc ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-78677), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.