unearth: unearth through 0.18.2, fixed in commit 6c78164, contains a path traversal vulnerability in the is_within_directory f...
CVE-2026-73030 is fixed in 2 products on 1 platform, first by OPENSUSE-SU-2026:21606-1, released August 18, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-unearth · opensuse-leap 16.0 | 0.17.3-bp160.2.1 | OPENSUSE-SU-2026:21606-1 | Aug 18, 2026 |
| unearth · Debian 14 | 0.18.3-1 | DEBIAN-CVE-2026-73030 | Aug 20, 2026 |
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