High 8.1Published Aug 10, 2026

CVE-2026-73030unearth 0.18.2 Path Traversal via Unnormalized Paths and Symlink Escape

Updated under an hour ago (2026-10-19 06:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for frostming unearth

Exploited in the last 30 days

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.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Aug 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

frostming unearth frostming:unearth (from the name)	through 0.18.2; 6c78164e7bfa28b8b3d6f247b87e560692e3c8ba not affected	CNA record

References

https://github.com/frostming/unearth/issues/180technical-description, exploit
https://github.com/frostming/unearth/pull/181issue-tracking
https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8bapatch
https://www.vulncheck.com/advisories/unearth-path-traversal-via-unnormalized-paths-and-symlink-escapethird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.