socket.io

4.8.4 · 25 Sep 2026MIT16.6M / weekRepository Homepage npm Atom feed

Same major only

1 release in betweenevery note read

Other targets from 2.2.0Newest 2.x, Clears its 2 advisories2.5.1 Latest4.8.4

0
changes to make: 0
advisories fixed: 0
new: 0
fixes

Security

2 advisories still affect 2.3.0

socket.io has an unhandled 'error' eventmoderate · GHSA-25hc-qcg6-38wj
CORS misconfiguration in socket.iomoderate · GHSA-fxwf-4rqh-v8g3

Upgrading to 2.5.1 clears them.

Upgrade to 2.3.0

npm install socket.io@2.3.0

What 2.3.0 needs

Reading 2.3.0's manifest…

Check against your package.json

Which of your other dependencies stand in the way of 2.3.0. Read once, not stored.

After upgrading

Run the type checker, the linter and the tests.
Build, and look for new deprecation warnings.
Update peer dependencies the new version asks for.
2 advisories still affect 2.3.0.