{"id":"CVE-2026-100419","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-100419","generatedAt":"2026-10-28T09:27:33.417Z","title":"gitoxide gix-fs before 0.23.0 contains a path validation bypass vulnerability in the worktree checkout mechanism that allows attackers to escape the worktree directory via symlink manipulation.","description":"gitoxide gix-fs before 0.23.0 contains a path validation bypass vulnerability in the worktree checkout mechanism that allows attackers to escape the worktree directory via symlink manipulation. During forced checkout with overwrite_existing enabled, attackers can craft malicious repository trees where symlink entries replace validated directories, causing subsequent files to be written outside the worktree through the symlink for code execution or file manipulation.","published":"2026-09-25T22:17:11.000Z","lastModified":"2026-09-28T14:17:09.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.3,"severity":"HIGH","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:H/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/M"},"cwe":["CWE-59"],"affected":[],"epss":{"score":0.00222,"percentile":0.12739,"date":"2026-10-27","history":[{"date":"2026-09-26","score":0.00147,"percentile":0.03311}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-25T22:17:11.000Z","detail":{"score":"7.3","severity":"HIGH","publishedAt":"2026-09-25T22:17:10.613Z"},"summary":"New CVE, high severity (CVSS 7.3)."}],"references":[{"url":"https://github.com/GitoxideLabs/gitoxide","source":"disclosure@vulncheck.com"},{"url":"https://github.com/GitoxideLabs/gitoxide/blob/gix-fs-v0.22.1/gix-fs/src/stack.rs#L185-L196","source":"disclosure@vulncheck.com"},{"url":"https://github.com/GitoxideLabs/gitoxide/commit/b62498378b8bc2c95863a044b700f2063b0b5875","source":"disclosure@vulncheck.com"},{"url":"https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-6p9q-f2xg-6pr5","source":"disclosure@vulncheck.com"},{"url":"https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-f89h-2fjh-2r9q","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/gitoxide-gix-fs-before-0.23.0-worktree-escape-via-symlink","source":"disclosure@vulncheck.com"},{"url":"https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-f89h-2fjh-2r9q","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100419","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}