fastnodemailer (npm) · Malicious Code
Affects fastnodemailerSource GCVE Database
Malicious package : remove fastnodemailer and rotate any secrets on hosts that installed it.
Data as of 12 Sep 2026, 20:16 UTC
Malicious package
Published to npm · OSV MAL-2026-6822
What to do
Remove fastnodemailer 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 |
|---|---|---|
| npmfastnodemailer | 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 fastnodemailer npm package versions 8.0.2, 8.0.3, and 8.0.4 contain malicious code. Any system with this package installed or running is considered fully compromised. It is recommended to remove the package and immediately rotate all secrets and keys from a different, trusted computer. However, removal of the package alone may not eliminate all malicious software introduced by it.