CVE-2026-73030 | BDVDB-2026-357199 Detail
frostmingunearth
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References#
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.