arbkit (npm) · Malicious Code
Affects arbkitSource GCVE Database
Malicious package : remove arbkit and rotate any secrets on hosts that installed it.
Data as of 4 Nov 2026, 00:45 UTC
Malicious package
Published to npm · OSV MAL-2026-18585
What to do
Remove arbkit 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
| Product | Affected | Fixed in |
|---|---|---|
| npmarbkit | Affected– | 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 'arbkit' contains malicious code that fully compromises any computer on which it is installed or running. This compromise includes potential unauthorized access to all secrets and keys stored on the affected system. Immediate removal of the package is recommended, but due to the extent of the compromise, complete remediation cannot be guaranteed by removal alone.