What is CVE-2026-30405?

CVE-2026-30405 is a high-severity vulnerability in Osrg Gobgp, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-03-16.

How severe is CVE-2026-30405?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Osrg Gobgp

CVE-2026-30405

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

Vulnerability class: DoS (Denial of Service)

EPSS: 0.003 (25.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Osrg Gobgp — versions 4.2.0
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

cve@mitre.org (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-30405?: CVE-2026-30405 is a high-severity vulnerability in Osrg Gobgp, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-03-16.
How severe is CVE-2026-30405?: High severity. CVSS v3 base score is 7.5 out of 10.