{"cve":"CVE-2026-46679","nvd":{"published":"2026-06-10T22:17:00.300","modified":"2026-07-23T09:10:00.113","status":"Deferred","description":"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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20","CWE-400","CWE-401"],"references":["https://github.com/libp2p/js-libp2p/security/advisories/GHSA-4f8r-922h-2vgv","https://github.com/libp2p/js-libp2p/security/advisories/GHSA-4f8r-922h-2vgv"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:38:48.522727527+00:00"},"epss":{"cve":"CVE-2026-46679","score":0.00278,"percentile":0.20251,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4f8r-922h-2vgv","url":"https://osv.dev/vulnerability/GHSA-4f8r-922h-2vgv","summary":"js-libp2p: Memory DoS via subscription flood of unique topics","modified":"2026-09-10T03:50:45.401596700Z","packages":[{"ecosystem":"npm","name":"@libp2p/gossipsub","purl":"pkg:npm/%40libp2p/gossipsub","ranges":["<15.0.23"],"fixed":["15.0.23"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}