Relative Path Traversal Affecting @vltpkg/tar package, versions <1.0.0-rc.10
Threat Intelligence
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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- published28 Jan 2026
- disclosed27 Jan 2026
- creditOren Yomtov
Introduced: 27 Jan 2026
CVE-2026-24909 (opens in a new tab)How to fix?
Upgrade @vltpkg/tar to version 1.0.0-rc.10 or higher.
Overview
@vltpkg/tar is an An extremely limited and very fast tar extractor
Affected versions of this package are vulnerable to Relative Path Traversal via improper sanitization of file paths during the extraction process. An attacker can overwrite arbitrary files on the filesystem by crafting tar archives with malicious file paths.
Note: Exploitation requires the attacker to publish and convince the user to install a malicious package.