MAL-2026-1483 Malicious code in @jaime9008/math-service (npm)

Malicious package Published
Package
@jaime9008/math-service
Registry
npm

What is MAL-2026-1483?

MAL-2026-1483 is a malicious package in @jaime9008/math-service, published on 16 Mar 2026.

Official description

Package classified as malware due to code obfuscation, use of eval() for code execution, and a low number of published versions. The file lib/lib.js contains same obfuscated malware dropler as malicious react-refresh-update package, the author is same for both pacakge.

The package @jaime9008/math-service 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-2026-1483?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

Sources

Also known as GHSA-rg2r-h6hr-96rp.

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