high7.5
CVE-2026-30405
GoBGP vulnerable to a denial of service via the NEXT_HOP path attribute
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/osrg/gobgp/v4 | <= 4.3.0 | 4.4.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Osrg | Gobgp | Version 4.2.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/osrg/gobgp/issues/3305
- https://github.com/advisories/GHSA-4p9m-8gc4-rw2h
- https://nvd.nist.gov/vuln/detail/CVE-2026-30405
- https://github.com/osrg/gobgp/commit/583080a7258e22cc884162e15b078771aa2c2c80
- https://github.com/osrg/gobgp/releases/tag/v4.4.0