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MalwarePublished Updated

cwao-units (npm) · Malicious Code

Affects cwao-unitsSource GCVE Database

0

Malicious package : remove cwao-units and rotate any secrets on hosts that installed it.

Data as of 13 Jul 2026, 09:25 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-4546

What to do

Remove cwao-units 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
npmcwao-unitsAffected
  • =0.8.3
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 'cwao-units' version 0.8.3 contains a malicious preinstall script that executes a large opaque native Linux binary. This binary acts as an infostealer targeting developer credentials, cloud secrets, cryptocurrency wallets, and uses kernel rootkit techniques to hide its presence. It also exhibits worm-like behavior by stealing GitHub and npm credentials to propagate further malicious packages. The package is part of the IronWorm campaign and fully compromises any system where it is installed.

References

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