CVE-2026-55180

MediumCVSS 6.5/10Last modified Jun 29, 2026

Description

pnpm is a package manager. Prior to 10.34.2 and 11.5.3, pnpm and pacquet expanded ${ENV_VAR} placeholders from repository-controlled .npmrc and pnpm-workspace.yaml into registry request destinations and registry credentials. A malicious repository could cause dependency resolution to send victim environment secrets to an attacker-selected registry before lifecycle scripts run. This vulnerability is fixed in 10.34.2 and 11.5.3.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200 CWE-201 CWE-522

Affected software

No affected versions have been published.

Timeline

Published: Jun 25, 2026
Last modified: Jun 29, 2026
NVD status: Analyzed

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