Improper validation of integrity check value in pnpm - #VU153375
Published: October 6, 2026
Vulnerability identifier: #VU153375
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-354
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to override the pinned integrity of a config dependency.
The vulnerability exists due to improper enforcement of pinned integrity values in config dependency integrity handling when processing a lockfile for a config dependency pinned with version+integrity. A local user can supply a lockfile containing a replacement integrity value that a victim uses during installation to override the pinned integrity of a config dependency.
Affected software
pnpm
Remediation
Install security update from vendor's website.
pnpm - update to 12.10.0