Path Traversal in Pnpm
CVE-2026-55699
pnpm is a package manager. Prior to 10.34.2 and 11.5.3, Manifest bin object keys such as "", ".", and ".." passed pnpm's bin-name guard. When a malicious package was installed globally, later global remove, update, or add-replacement flows…
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Pnpm — versions < 10.34.2, >= 11.0.0, < 11.5.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-55699?
- CVE-2026-55699 is a medium-severity vulnerability in Pnpm, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-06-25.
- How severe is CVE-2026-55699?
- Medium severity. CVSS v3 base score is 6.5 out of 10.