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CVE-2026-24909vlt before 1.0.0-rc.10 mishandles path sanitization for tar, leading to path traversal during extraction.
- 5.9MediumCVSS base score
- 0.19%Exploitation in 30 daysEPSS · top 91% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
Description
vlt before 1.0.0-rc.10 mishandles path sanitization for tar, leading to path traversal during extraction.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By mitre
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| mitreCNA (assigner) | 3.1 | Medium5.9 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N |
| NVDNVD · Deferred | 3.1 | Medium5.9 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.19% · top 91% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npm@vltpkg/tarGHSA-gf2c-jwcj-x929 (opens in a new tab)
References
References4
- https://www.scworld.com/news/six-javascript-zero-day-bugs-lead-to-fears-of-supply-chain-attack (opens in a new tab)
- https://github.com/vltpkg/vltpkg/releases/tag/v1.0.0-rc.10 (opens in a new tab)
- https://github.com/vltpkg/vltpkg/pull/1334 (opens in a new tab)
- https://www.koi.ai/blog/packagegate-6-zero-days-in-js-package-managers-but-npm-wont-act (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-4860 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-gf2c-jwcj-x929 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-24909)Record last updated .