{"id":"CVE-2026-67324","revision":"a1e06d94a7b24f66b2427ea665aec42c","records":[{"revision":"a1e06d94a7b24f66b2427ea665aec42c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-67324","aliases":[],"title":"GitPython 3.1.50 Authentication Bypass via Joined Short Options","description":"GitPython 3.1.50 fails to recognize joined short-option forms such as -u<value> (the short form of --upload-pack=<value>) when enforcing its default unsafe-option gate. When an application passes attacker-influenced clone options into Repo.clone_from(..., multi_options=..., allow_unsafe_options=False), an attacker can supply -u<helper> to bypass the gate that blocks --upload-pack/-u, causing Git to execute the specified helper command during clone. Fixed in 3.1.51.","state":0,"publishedAt":"2026-08-01T12:22:18.154+00:00","modifiedAt":"2026-10-08T15:24:05.735+00:00","affected":[{"ecosystem":"Vendor product","name":"GitPython","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"gitpython-developers\",\n                    \"product\": \"GitPython\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:pypi/gitpython\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.1.50\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.1.51\"\n                        },\n                        {\n                            \"version\": \"3.1.51\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-v396-v7q4-x2qj","https://www.vulncheck.com/advisories/gitpython-authentication-bypass-via-joined-short-options"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-67324","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-67324","identifiers":["CVE-2026-67324"]},"retained":false,"historicalAffected":[]}],"coverage":[]}