CriticalPHP2Shell: is your PHP patched?

fast-jwt@6.3.0

Skip this version — install 6.3.5 instead.

Followed by 6.3.1 within 53 h — likely a hotfix.

Why this verdict

  • Followed by 6.3.1 within 53 h — likely a hotfix.Evidence
  • 2 known advisories (worst: high), fixed in 6.3.4.Evidence

Confidence 100% · algorithm v1 · computed 2026-10-23. How verdicts work

Supply chain and security

Malware reports
None known (OSV)
Known advisories
2 known
License
Apache-2.0
Install scripts
None
Build provenance
Signed provenance
Weekly downloads
5,992
  • GHSA-8wpc-h4q6-8fxvfast-jwt: createVerifier accepts unsigned JWTs when key is '' or null and algorithms is explicitly set
  • GHSA-x937-hj6v-793pfast-jwt: Verifier cache accepts expired JWTs without iat.

Compatibility

No compatibility boundary is crossed: this is a patch or minor release on a stable major.

Check the official release notes below for behaviour changes before merging.

Release notes

Read the package page on npm for this version’s features and fixes.

Deprecations and deadlines

The maintainer has not deprecated this version on npm.