middleware-jwt (npm) · Malicious Code
Affects middleware-jwtSource GCVE Database
Malicious package : remove middleware-jwt and rotate any secrets on hosts that installed it.
Data as of 9 Jul 2026, 10:05 UTC
Malicious package
Published to npm · OSV MAL-2026-5888
What to do
Remove middleware-jwt 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 |
|---|---|---|
| npmmiddleware-jwt | Affected
| Fixed in– |
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Description
The npm package middleware-jwt version 1.0.0 contains malicious code or depends on a package with malicious code. Installing or running this package can fully compromise the affected system. Secrets and keys stored on the compromised system should be rotated immediately from a different, trusted machine. Simply removing the package may not eliminate all malicious software introduced by it.