UNIX symbolic link following in pnpm - #VU153390
Published: October 6, 2026
Vulnerability identifier: #VU153390
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to include files from outside a package directory during deployment or local installation.
The vulnerability exists due to improper symbolic link resolution in package deployment and local package installation when following package symlinks. A local user can provide a package symlink pointing outside the package directory to include files from outside a package directory during deployment or local installation.
Exploitation requires the deployAllFiles setting to be enabled.
Affected software
pnpm
Remediation
Install security update from vendor's website.
pnpm - addressed in versions 11.28.5, 12.10.0