CVE-2026-46679 [HIGH] – libp2p is a JavaScript Implementation of libp2p networking stack. Prior to version 15.0.23

libp2p is a JavaScript Implementation of libp2p networking stack. Prior to version 15.0.23, three cooperating omissions in @libp2p/gossipsub allow an unauthenticated single peer to exhaust the Node.js heap of any gossipsub node with default options. This issue has been patched in version 15.0.23.