MAL-2026-2828 Malicious code in express-security-policy (npm)
- Package
- express-security-policy
- Registry
- npm
What is MAL-2026-2828?
MAL-2026-2828 is a malicious package in express-security-policy, published on 17 Apr 2026.
Official description
Package is malicious. It exfiltrates user/host info to a remote server with obfuscation, delayed execution, and error suppression via preinstall script.
The package express-security-policy was found to contain malicious code.
Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
What should I do about MAL-2026-2828?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.
Sources
Also known as GHSA-3hxc-wppf-m25r.