{"id":"CVE-2026-73030","title":"unearth through 0.18.2, fixed in commit 6c78164, contains a path traversal vulnerability in the is_within_directory function that fails to normalize paths before validation, allowing ../ sequences to bypass directory containment checks","summary":"unearth through 0.18.2, fixed in commit 6c78164, contains a path traversal vulnerability in the is_within_directory function that fails to normalize paths before validation, allowing ../ sequences to bypass directory containment checks. …","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","cwe":["CWE-22"],"published":"2026-08-10","updated":"2026-09-24","sourceUpdated":"2026-09-24T20:43:32.537","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73030","references":[{"url":"https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8ba","label":"disclosure@vulncheck.com"},{"url":"https://github.com/frostming/unearth/issues/180","label":"disclosure@vulncheck.com"},{"url":"https://github.com/frostming/unearth/pull/181","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/unearth-path-traversal-via-unnormalized-paths-and-symlink-escape","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00594,"epssPercentile":0.46047,"ingestedAt":"2026-09-24T20:51:40.190Z","slug":"CVE-2026-73030","body":"## Overview\n\nunearth through 0.18.2, fixed in commit 6c78164, contains a path traversal vulnerability in the is_within_directory function that fails to normalize paths before validation, allowing ../ sequences to bypass directory containment checks. Attackers can supply malicious tar archives with symlink members or traversal sequences to write files to arbitrary filesystem locations accessible to the process.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}