{"action":"Upgrade gitpython to 3.1.57 or later.","affected":[{"fixed":"3.1.57","introduced":"0"}],"component":"gitpython","cve_ids":["CVE-2026-73620"],"ecosystem":"PyPI","epss":0.00574,"exploited":false,"fixed_versions":["3.1.57"],"ghsa_id":"GHSA-3f7w-8rr8-f37f","id":"tcs_01M5KH8SEEAFKE50637VR5712S","modified_at":"2026-09-10T13:00:03.319543022Z","published_at":"2026-08-13T12:17:27.057Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3949","https://www.vulncheck.com/advisories/gitpython-before-arbitrary-file-overwrite-and-read","https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-3f7w-8rr8-f37f"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2026-3949","url":"https://osv.dev/vulnerability/PYSEC-2026-3949"}],"summary":"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 over"}