{"id":"CVE-2026-73030","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-73030","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…","details":"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. Attackers can supply malicious tar archives with symlink members or traversal sequences to write files to arbitrary filesystem locations accessible to the process.","published":"2026-08-10T21:17:26.450","modified":"2026-08-10T21:17:26.450","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8ba","label":"frostming/unearth@6c78164"},"references":[{"type":"WEB","url":"https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8ba"},{"type":"WEB","url":"https://github.com/frostming/unearth/issues/180"},{"type":"WEB","url":"https://github.com/frostming/unearth/pull/181"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/unearth-path-traversal-via-unnormalized-paths-and-symlink-escape"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-10T21:17:26.450"}}