Path traversal in pnpm - #VU153373
Published: October 6, 2026
Vulnerability identifier: #VU153373
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to write files outside the global virtual store.
The vulnerability exists due to path traversal in dependency version handling in pnpm install when processing dependency versions. A remote attacker can supply a dependency version containing path traversal sequences that a victim installs to write files outside the global virtual store.
Affected software
pnpm
Remediation
Install security update from vendor's website.
pnpm - update to 12.10.0