CVE Catalog

CVE-2026-46679

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.28%

20th percentile - higher than 20% of all known CVEs

Summary

libp2p (JavaScript Implementation) prior to version 15.0.23 has a vulnerability in @libp2p/gossipsub that allows a single unauthenticated peer to exhaust the Node.js heap of a gossipsub node with default options.

Risk Assessment

An attacker can cause a denial of service (DoS) by exhausting memory, leading to node unavailability.

Recommendation

Upgrade @libp2p/gossipsub to version 15.0.23 or later.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS