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Vulnerability record · CVE-2026-78678 · published 25 August 2026

CVE-2026-78678: Gitpython project gitpython argument injection vulnerability

Gitpython Project · Gitpython

GitPython versions before 3.1.59 contain an incomplete denylist in the unsafe_git_revision_options guard that omits --contents and -S options, allowing attackers to read arbitrary files by passing these options to Repo.blame(). Attackers can supply revision values like --contents=/etc/passwd to leak file contents through the blame result returned to the caller.

7.1 CVSS 4.0 High EPSS 0.41% · top 67.1% CWE-88 · Argument injection
7.1CVSS 4.0 base score
0.41%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 versions before 3.1.59 contain an incomplete denylist in the unsafe_git_revision_options guard that omits --contents and -S options, allowing attackers to read arbitrary files by passing these options to Repo.blame(). Attackers can supply revision values like --contents=/etc/passwd to leak file contents through the blame result returned to the caller.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-5xxx-qhh7-9287 ExploitVendor Advisory
https://www.vulncheck.com/advisories/gitpython-before-arbitrary-file-read-via-repo-blame Third Party Advisory
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-5xxx-qhh7-9287 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-2026-78678), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.