CVE-2026-55697
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk3th percentile — higher than 3% of all known CVEs
Summary
pnpm prior to versions 10.34.2 and 11.5.3 allows installation of configDependencies declared in pnpm-workspace.yaml before command dispatch. A repository can declare pacquet or @pnpm/pacquet as a config dependency, and pnpm treats this repository-controlled dependency as an install-engine opt-in. During installation, pnpm resolves a platform-specific @pacquet/<platform>-<arch>/pacquet binary from node_modules/.pnpm-config/<packageName> and spawns it as the developer or CI user.
Risk Assessment
An attacker can inject malicious code into a config dependency that gets executed with the privileges of the developer or CI user, potentially leading to system compromise or data theft.
Recommendation
Immediately upgrade pnpm to version 10.34.2 or 11.5.3, which contain the fix for this vulnerability.
Original NVD description (English source)
pnpm is a package manager. Prior to 10.34.2 and 11.5.3, pnpm can install configDependencies declared in pnpm-workspace.yaml before command dispatch. Before the patch, a repository could declare pacquet or @pnpm/pacquet as a config dependency and pnpm treated that repository-controlled dependency as an install-engine opt-in. During install, pnpm resolved a platform-specific @pacquet/<platform>-<arch>/pacquet binary from node_modules/.pnpm-config/<packageName> and spawned it as the developer or CI user. This vulnerability is fixed in 10.34.2 and 11.5.3.