HexBrain

Node.js · Report #3658225

HTTP/2 sessions never clean up after GOAWAY on invalid protocol errors

Validstatus
mediumseverity
33upvotes
18 Jun 2026disclosed

Summary

A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a GOAWAY frame.

This vulnerability affects two supported release lines: Node.js 22 and Node.js 24.

How it was found

The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original