pnpm: Project env lockfile can short-circuit package-manager resolution and execute lockfile-selected pnpm bytes

Date Jun 26, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท pnpm
CVE CVE-2026-55698
High-risk advisory CVE-2026-55698

Summary

pnpm: Project env lockfile can short-circuit package-manager resolution and execute lockfile-selected pnpm bytes

Why it matters

GitHub has published a reviewed security advisory for pnpm. Prioritize it with other application dependency updates, especially because EPSS places it in the 7% percentile.

Operator check

Check whether pnpm is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.2%; percentile: 7%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.