Relative Path Traversal Affecting nanotar package, versions >=0.0.0 <0.2.1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-NANOTAR-15272643
- published12 Feb 2026
- disclosed11 Feb 2026
- creditEthan Kim
Introduced: 11 Feb 2026
CVE-2025-69874 (opens in a new tab)How to fix?
Upgrade nanotar to version 0.2.1 or higher.
Overview
nanotar is a Tiny and fast Tar utils for any JavaScript runtime!
Affected versions of this package are vulnerable to Relative Path Traversal via the parseTar or parseTarGzip functions. An attacker can write arbitrary files outside the intended extraction directory by supplying a specially crafted tar archive containing directory traversal sequences.