CVE-2025-69874
Critical
Description
nanotar through 0.2.0 has a path traversal vulnerability in parseTar() and parseTarGzip() that allows remote attackers to write arbitrary files outside the intended extraction directory via a crafted tar archive containing path traversal sequence.
SeverityCritical
CVSS9.8
Exploit probability—
ProductUnjs Nanotar
PublishedFeb 11, 2026
First seenFeb 11, 2026
Weakness typeCWE-22Path traversal
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| unjs nanotar | v ≤ 0.2.0 | — |
| nanotarnpm | v ≤ 0.2.0 | — |
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