fbjs-opensource (npm) · Malicious Code
Affects fbjs-opensourceSource GCVE Database
Malicious package : remove fbjs-opensource and rotate any secrets on hosts that installed it.
Data as of 29 Oct 2026, 23:00 UTC
Malicious package
Published to npm · OSV MAL-2025-20277
What to do
Remove fbjs-opensource 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 |
|---|---|---|
| npmfbjs-opensource | 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 fbjs-opensource version 1.0.0 contains malicious code that installs a dependency from a custom domain. This dependency runs an information stealer during installation, targeting npm, git, and other CI/CD tokens.