CVE-2026-101043

CVE-2026-101043 · pnpm 11.0.0 before 11.11.0 Environment Variable Exfiltration via Proxy Settings

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pnpm versions 11.0.0 before 11.11.0 and 10.7.0 before 10.34.5 expand ${VAR} environment-variable placeholders in the httpProxy, httpsProxy, and noProxy settings read from a project's pnpm-workspace.yaml. Because the manifest is repository-controlled and the proxy keys were omitted from the request-destination key set that otherwise suppresses placeholder expansion for untrusted manifests (as already done for registry, pnprServer, registries and namedRegistries), an attacker who controls a repository's pnpm-workspace.yaml can cause a victim who clones the repository and runs a pnpm command (e.g. pnpm install) to expand environment secrets such as NPM_TOKEN or GITHUB_TOKEN into a proxy hostname or userinfo and route install traffic — and the corresponding DNS lookups — through an attacker-controlled host. The exfiltration occurs during configuration loading, before any lifecycle script executes. Fixed in pnpm 11.11.0 and 10.34.5.

CVSS 8.3 · Hoch · EPSS 0,3% · Korrektur verfügbar

Veröffentlicht

2026-09-27T17:02:33.119Z

Aktualisiert

2026-09-30T15:47:12.588Z

Technologie-Stack: node

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