CVE-2026-73620

GitPython before 3.1.57 Arbitrary File Overwrite and Read

At a glance

Severity: HIGH 7.2
EPSS: EPSS 0.57 % · percentile 47 (2026-10-27)
State: PUBLISHED
Published: 2026-08-13
Updated: 2026-10-08
Assigner: VulnCheck
NVD status: Analyzed

Description

GitPython before 3.1.57 fails to guard git option forwarding in IndexFile.checkout() and TagReference.create(), allowing attackers to pass unsafe options via kwargs. Attackers can use --prefix to overwrite arbitrary files with repository content or -F to read arbitrary files returned in-band.

Scores

Version	Score	Vector	Scored by
CVSS 4.0	HIGH 7.2	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H	VulnCheck
CVSS 4.0	HIGH 7.2	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/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:X/V:X/RE:X/U:X	NVD · disclosure@vulncheck.com (Secondary)
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H	NVD · disclosure@vulncheck.com (Secondary)

Weaknesses (CWE)

CWE-22

Advisories

GHSA-3f7w-8rr8-f37f — GitPython: Unguarded git option forwarding in IndexFile.checkout() and TagReference.create() enables arbitrary file overwrite and arbitrary file read
PYSEC-2026-3949 — GitPython before 3.1.57 fails to guard git option forwarding in IndexFile.checkout() and TagReference.create(), allowing attackers to pass unsafe options via kw

European references

ENISA EUVD · EUVD-2026-57824
GCVE · GCVE-0-2026-73620

Affected configurations (NVD CPE)

cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:python:*:* < 3.1.57

Affected products

Product	Versions
gitpython-developers · GitPython	affected 0 < 3.1.57 ; unaffected 3.1.57

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD