Skip to content
CVE PROGRAM SOURCE RECORD7.2 High

CVE-2026-73030

unearth 0.18.2 Path Traversal via Unnormalized Paths and Symlink Escape

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

frostming unearth

Default version status: affected

  • 0 to ≤ 0.18.2affected
  • 6c78164e7bfa28b8b3d6f247b87e560692e3c8baunaffected
pkg:github/frostming/unearth

References