7.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2025-69262

CVE-2025-69262: pnpm vulnerable to Command Injection via environment variable substitution

pnpm is a package manager. Versions 6.25.0 through 10.26.2 have a Command Injection vulnerability when using environment variable substitution in .npmrc configuration files with tokenHelper settings. An attacker who can control environment variables during pnpm operations could achieve Remote Code Execution (RCE) in build environments. This issue is fixed in version 10.27.0.

(GitHub Advisory)

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CVE-2025-69262

CVE-2025-69262:

7.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
pnpm	npm	>= 6.25.0, < 10.27.0	10.27.0

Technical Details

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Miggo AI

Root Cause Analysis

The vulnerability is a command injection in pnpm's tokenHelper feature. It occurs in two stages. First, the readLocalConfig function in pnpm/config/config/src/readLocalConfig.ts reads the .npmrc file and substitutes environment variables. An attacker can craft a .npmrc file that uses an environment variable for the tokenHelper path. If the attacker controls this environment variable, they can point it to a malicious script. Second, the loadToken function in pnpm/network/auth-header/src/getAuthHeadersFromConfig.ts takes this path and executes it using spawnSync with shell: true, which leads to remote code execution. The patch was applied to the readLocalConfig function to validate the tokenHelper value and disallow environment variables, thus preventing the injection.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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