{"id":"CVE-2026-30405","aliases":["GHSA-4p9m-8gc4-rw2h","GO-2026-4736"],"url":"https://o3.security/vulnerability/CVE-2026-30405","summary":"GoBGP vulnerable to a denial of service via the NEXT_HOP path attribute","details":"An issue in GoBGP gobgpd v.4.2.0 allows a remote attacker to cause a denial of service via the NEXT_HOP path attribute","published":"2026-03-16T00:00:00Z","modified":"2026-08-12T03:51:38.587757240Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/osrg/gobgp/v4","fixedVersion":null}],"fix":{"url":"https://github.com/osrg/gobgp/commit/583080a7258e22cc884162e15b078771aa2c2c80","label":"osrg/gobgp@583080a"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30405.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30405"},{"type":"REPORT","url":"https://github.com/osrg/gobgp/issues/3305"},{"type":"WEB","url":"https://github.com/osrg/gobgp/commit/583080a7258e22cc884162e15b078771aa2c2c80"},{"type":"PACKAGE","url":"https://github.com/osrg/gobgp"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:38.587757240Z"}}