CVE-2026-24909
vlt Mishandles Path Sanitization for tar
vlt before 1.0.0-rc.10 mishandles path sanitization for tar, leading to path traversal during extraction.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.9
vlt before 1.0.0-rc.10 mishandles path sanitization for tar, leading to path traversal during extraction.
- Record
CVE-2026-24909- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-23
- Updated
- 2026-11-02
EUVDEUVD-2026-4860
5.9
vlt before 1.0.0-rc.10 mishandles path sanitization for tar, leading to path traversal during extraction.
- Record
EUVD-2026-4860- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gf2c-jwcj-x929
5.9
vlt Mishandles Path Sanitization for tar
vlt before 1.0.0-rc.10 mishandles path sanitization for tar, leading to path traversal during extraction.
- Record
GHSA-gf2c-jwcj-x929- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-23
- Updated
- 2026-11-02
NVD
5.9
vlt before 1.0.0-rc.10 mishandles path sanitization for tar, leading to path traversal during extraction.
- Record
CVE-2026-24909- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-23
- Updated
- 2026-11-02
OSV
5.9
vlt before 1.0.0-rc.10 mishandles path sanitization for tar, leading to path traversal during extraction.
- Record
CVE-2026-24909- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-23
- Updated
- 2026-11-02
OSVGHSA-gf2c-jwcj-x929
5.9
vlt Mishandles Path Sanitization for tar
vlt before 1.0.0-rc.10 mishandles path sanitization for tar, leading to path traversal during extraction.
- Record
GHSA-gf2c-jwcj-x929- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-23
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@vltpkg/tarnpm |
before 1.0.0-rc.10 | 1.0.0-rc.10 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-24909 is a medium vulnerability (CVSS 5.9) in Vlt, published January 27, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. Fixed in @vltpkg/tar 1.0.0-rc.10.
References
scworld.com/news/six-javascript-zero-day-bugs-lead-to-fears-of-supply-chain-attack
github.com/vltpkg/vltpkg/releases/tag/v1.0.0-rc.10
github.com/vltpkg/vltpkg/pull/1334
koi.ai/blog/packagegate-6-zero-days-in-js-package-managers-but-npm-wont-act
nvd.nist.gov/vuln/detail/CVE-2026-24909
github.com/vltpkg/vltpkg/commit/ff8d4099a1929772cea2adf131285e90ede6b0dd
github.com/advisories/GHSA-gf2c-jwcj-x929
github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24909.json
github.com/vltpkg/vltpkg