Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
frostming unearth — unearth 0.18.2 Path Traversal via Unnormalized Paths and Symlink Escape
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N P N H H 7.2 .0037 30.8 —
AFFECTED
Product Versions Fixed
unearth unspecified 6c78164e7bfa28b8b3d6f247b87e560692e3c8ba
TIMELINE
Aug 10 Reserved by VulnCheck
Aug 10 Published (CNA: VulnCheck)
Aug 11 EXPLOIT PUBLISHED — CVE-2026-73030 (frostming unearth). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 10, 2026 | Reserved | Reserved by VulnCheck |
| August 10, 2026 | Published | Published (CNA: VulnCheck) |
| August 11, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-73030 (frostming unearth). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| frostming | unearth | — | — | 6c78164e7bfa28b8b3d6f247b87e560692e3c8ba |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-73030 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.