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MalwarePublished

@nimbusedge/auth (npm) · Malicious Code

Affects @nimbusedge/authSource GCVE Database

0

Malicious package : remove @nimbusedge/auth and rotate any secrets on hosts that installed it.

Data as of 11 Sep 2026, 22:34 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-16132

What to do

Remove @nimbusedge/auth from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

ProductAffectedFixed in
npm@nimbusedge/authAffected
  • 221.1.0 – 19999.1360.5
40 affected builds		Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

The npm package @nimbusedge/auth at multiple artificially inflated versions contains a malicious preinstall script that opens an interactive reverse shell to a hardcoded remote host and exfiltrates command output via HTTP. This occurs automatically during npm install, enabling remote code execution and data leakage on the installer's machine. The package uses dependency confusion tactics by mimicking private package names with high version numbers to trick internal resolvers into fetching the malicious public package.

References

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