What is GHSA-vj6p-mj5m-9j2q?

GHSA-vj6p-mj5m-9j2q is a security advisory published by GitHub Security Advisories with High severity. On affected platforms running Arista EOS with Border Gateway Protocol (BGP) changing the BGP...

Which CVE IDs does GHSA-vj6p-mj5m-9j2q cover?

GHSA-vj6p-mj5m-9j2q covers the following CVE IDs: CVE-2026-121290. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-vj6p-mj5m-9j2q?

GHSA-vj6p-mj5m-9j2q has a CVSS v3 base score of 8.2, published by GitHub Security Advisories.

GHSA-vj6p-mj5m-9j2qHighCVSS 8.2

On affected platforms running Arista EOS with Border Gateway Protocol (BGP) changing the BGP...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-121290 →

📋 Description

On affected platforms running Arista EOS with Border Gateway Protocol (BGP) changing the BGP listen port from its default value disables default protective Access Control List (ACL) rules against unexpected BGP peering attempts.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-121290
https://www.arista.com/en/support/advisories-notices/security-advisory/25031-security-advisory-0209
https://github.com/advisories/GHSA-vj6p-mj5m-9j2q