{"id":"CVE-2026-114096","revision":null,"records":[{"revision":"5bca13b5f083411b8d5193158b3af4f2","observedAt":"2026-10-28T14:46:48.769+00:00","statement":{"source":"cve-program","id":"CVE-2026-114096","aliases":[],"title":"Dulwich 0.24.0 before 1.2.8 Symlink Write-Through via porcelain.checkout paths","description":"Dulwich from 0.24.0 before 1.2.8 contains a symlink following vulnerability in porcelain.checkout(paths=[...]) that allows attackers to write arbitrary files by abusing raw os.open without O_NOFOLLOW. Attackers can craft a repository where a worktree symlink points to .git/hooks/post-checkout, so restoring the file from a tag writes a malicious hook for code execution.","state":0,"publishedAt":"2026-10-21T00:36:59.763+00:00","modifiedAt":"2026-10-28T13:46:53.993+00:00","affected":[{"ecosystem":"Vendor product","name":"dulwich","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"jelmer\",\n                    \"product\": \"dulwich\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:pypi/dulwich\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0.24.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.2.8\"\n                        },\n                        {\n                            \"version\": \"1.2.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":7.3,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://github.com/jelmer/dulwich/security/advisories/GHSA-8w8g-wq8h-fq33","https://www.vulncheck.com/advisories/dulwich-0.24.0-before-1.2.8-symlink-write-through-via-porcelain-checkout-paths"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114096","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-114096","identifiers":["CVE-2026-114096"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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