node-calculator-4e41 (npm) · Malicious Code
Affects node-calculator-4e41Source GCVE Database
Malicious package : remove node-calculator-4e41 and rotate any secrets on hosts that installed it.
Data as of 13 Nov 2026, 19:51 UTC
Malicious package
Published to npm · OSV MAL-2025-190520
What to do
Remove node-calculator-4e41 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 |
|---|---|---|
| npmnode-calculator-4e41 | 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 node-calculator-4e41 version 2.6.0 contains malicious code that communicates with a domain linked to malicious activity and executes commands associated with harmful behavior. Installing or running this package compromises the host computer, potentially giving full control to an attacker. Removal of the package does not guarantee elimination of all malicious software introduced. Immediate rotation of all secrets and keys stored on the affected computer is strongly advised.