CVE WatchJun 30, 2026

CVE-2026-50017

pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm can send user-level unscoped npm authentication credentials to a registry chose

CVSS

6.5

Medium

EPSS

0.3%

p17

KEV

—

Exploit Today

0-100

Published: Jun 25, 2026 · Last modified: Jun 30, 2026 · CWE-200 · CWE-522

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-06-302026-07-20

Technical description

pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm can send user-level unscoped npm authentication credentials to a registry chosen by a repository-local .npmrc file. In the reproduced case, the user's npm config contains a default registry and an unscoped _authToken. The repository does not provide a token-bearing auth line. It only sets registry= to a different registry URL. During normal pnpm metadata/install workflows, pnpm binds the user-origin unscoped credential to the repository-selected registry and sends it as an Authorization header. This vulnerability is fixed in 10.34.0 and 11.4.0.

Official references

github.comhttps://github.com/pnpm/pnpm/security/advisories/GHSA-cjhr-43r9-cfmw

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