CVE-2025-69262 pnpm CVE debrief

Who should care

Developers and security teams using pnpm for package management in build environments should be aware of this vulnerability. Given the high severity and potential for RCE, organizations using affected versions of pnpm should prioritize patching to version 10.27.0 or later. This is particularly important for environments where build processes are automated or involve sensitive data.

Technical summary

The vulnerability exists in pnpm versions 6.25.0 through 10.26.2 due to improper handling of environment variable substitution in .npmrc configuration files when tokenHelper settings are used. This allows an attacker to inject commands, potentially leading to Remote Code Execution (RCE) in build environments. The CVSS vector is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H, indicating a high severity. The issue is addressed in pnpm version 10.27.0.

Defensive priority

High priority due to potential for RCE in build environments

Recommended defensive actions

• Upgrade pnpm to version 10.27.0 or later
• Review and restrict environment variable usage in .npmrc files
• Monitor build environments for suspicious activity
• Implement compensating controls for build process security
• Inventory and track pnpm usage across the organization

Evidence notes

The primary evidence for this vulnerability comes from the NVD and CVE.org records. The affected product versions range from 6.25.0 to 10.26.2. Defenders should verify pnpm versions in use and check for the presence of .npmrc files with tokenHelper settings. It's crucial to review environment variable handling in build scripts and configurations.

Official resources