VULNERABILITY INTELLIGENCE
CVE-2026-73030
CVSS score8.1 HIGH
EPSS probability0.59%
CISA KEVNot currently listed
Published2026-08-10
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Description
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.
Weakness classification
- disclosure@vulncheck.com: CWE-22