HIGH

CVE-2026-73030

2026-08-10 CVSS v3.1

CVSS

8.1

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 (CWE)

CWE-22 Path Traversal

EPSS Score

0.45%

Probability of exploitation in next 30 days

38.4th percentile

References

https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8ba https://github.com/frostming/unearth/issues/180 https://github.com/frostming/unearth/pull/181 https://www.vulncheck.com/advisories/unearth-path-traversal-via-unnormalized-paths-and-symlink-escape

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Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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