Insufficient verification of data authenticity in pnpm - #VU153376
Published: October 6, 2026
Vulnerability identifier: #VU153376
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-345
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to bypass registry verification of lockfile resolutions.
The vulnerability exists due to incomplete resolution authenticity verification in lockfile verification when processing variations resolutions. A local user can supply a lockfile containing unchecked tarballs within a variations resolution or an empty variations resolution for a name@version entry that a victim processes to bypass registry verification of lockfile resolutions.
Affected software
pnpm
Remediation
Install security update from vendor's website.
pnpm - update to 12.10.0