What is GHSA-4p9m-8gc4-rw2h?

GHSA-4p9m-8gc4-rw2h is a security advisory published by GitHub Security Advisories with High severity. GoBGP vulnerable to a denial of service via the NEXT_HOP path attribute

Which CVE IDs does GHSA-4p9m-8gc4-rw2h cover?

GHSA-4p9m-8gc4-rw2h covers the following CVE IDs: CVE-2026-30405. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4p9m-8gc4-rw2h?

GHSA-4p9m-8gc4-rw2h has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

Which products are affected by GHSA-4p9m-8gc4-rw2h?

GHSA-4p9m-8gc4-rw2h affects 1 product, including: go/github.com/osrg/gobgp/v4:\u003c= 4.3.0.

GHSA-4p9m-8gc4-rw2hHighCVSS 7.5

GoBGP vulnerable to a denial of service via the NEXT_HOP path attribute

Vendor

GitHub Security Advisories

Published

March 16, 2026

Last Modified

October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-30405 →

📋 Description

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.

🎯 Affected products1

go/github.com/osrg/gobgp/v4:<= 4.3.0

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-30405
https://github.com/osrg/gobgp/issues/3305
https://github.com/osrg/gobgp/commit/583080a7258e22cc884162e15b078771aa2c2c80
https://github.com/osrg/gobgp/releases/tag/v4.4.0
https://github.com/advisories/GHSA-4p9m-8gc4-rw2h