CVE-2026-46679

HIGH 7.5EPSS 0.3%

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.

CVSS v3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.28% chance of exploitation in the next 30 days, 20th percentile
Published: 2026-06-10
Updated: 2026-06-11

Proof-of-concept exploits (1)

advisories/GHSA-4f8r-922h-2vgv

References

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