Path Traversal in Gitpython-Developers Gitpython
CVE-2026-73620
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.002
Affected products
- Gitpython-Developers Gitpython — versions 0, 3.1.57
- Gitpython Project
Weakness classification (CWE)
References
- github.com/gitpython-developers/GitPython/security/advisories/GHSA-3f7w-8rr8-f3… (Exploit, vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/gitpython-before-arbitrary-file-overwrite-and-read (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-73620?
- CVE-2026-73620 is a high-severity vulnerability in Gitpython-Developers Gitpython, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-08-13.
- How severe is CVE-2026-73620?
- High severity. CVSS v3 base score is 8.1 out of 10.