{"id":"CVE-2026-110859","title":"GitPython before 3.2.0 contains an argument injection vulnerability in Head.checkout() that allows remote attackers to read arbitrary files by supplying a branch name parsed as a git option","summary":"GitPython before 3.2.0 contains an argument injection vulnerability in Head.checkout() that allows remote attackers to read arbitrary files by supplying a branch name parsed as a git option. Attackers can host a repository whose default …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-88"],"vendor":"gitpython-developers","product":"GitPython","affected":["GitPython < 3.2.0"],"patched":["gitpython 3.2.0"],"published":"2026-10-14","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:14:51.460","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110859","references":[{"url":"https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-23mf-xhv8-69c2","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/gitpython-before-3.2.0-arbitrary-file-read-via-head-checkout-branch-name","label":"disclosure@vulncheck.com"},{"url":"https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-23mf-xhv8-69c2","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://github.com/gitpython-developers/GitPython/pull/2233"},{"url":"https://github.com/gitpython-developers/GitPython/commit/8da65080849a56a2fc9f3e7817bbf0524e8397d5"},{"url":"https://github.com/gitpython-developers/GitPython"},{"url":"https://github.com/gitpython-developers/GitPython/releases/tag/3.2.0"}],"tags":["nvd","cve.org","exploit-available","osv","pip"],"epss":0.00387,"epssPercentile":0.32551,"aliases":["GHSA-23mf-xhv8-69c2"],"ecosystem":"pip","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-15T15:39:51.208253Z"},"ingestedAt":"2026-10-15T00:02:07.185Z","slug":"CVE-2026-110859","body":"## Overview\n\nGitPython before 3.2.0 contains an argument injection vulnerability in Head.checkout() that allows remote attackers to read arbitrary files by supplying a branch name parsed as a git option. Attackers can host a repository whose default branch is named --pathspec-from-file=<path>, causing cloning applications that check out the active branch to leak file contents through GitCommandError messages.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-110859)\n\nAffected packages:\n\n- `gitpython < 3.2.0`\n\nPatched in:\n\n- `gitpython 3.2.0`\n\nSource: https://osv.dev/vulnerability/GHSA-23mf-xhv8-69c2","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":222436,"id":"CVE-2026-110859","ts":1792080999393,"field":"exploit_available","old":"false","new":"true"}]}