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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-5122 Detail

Description

A security flaw has been discovered in osrg GoBGP up to 4.3.0. This affects the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP OPEN Message Handler. Performing a manipulation of the argument domainNameLen results in improper access controls. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The patch is named 2b09db390a3d455808363c53e409afe6b1b86d2d. It is suggested to install a patch to address this issue.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-B 6.3 MEDIUM
Vector:  CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/osrg/gobgp/ VulDB
https://github.com/osrg/gobgp/commit/2b09db390a3d455808363c53e409afe6b1b86d2d VulDB
https://github.com/osrg/gobgp/pull/3343 VulDB
https://vuldb.com/submit/780124 VulDB
https://vuldb.com/vuln/354154 VulDB
https://vuldb.com/vuln/354154/cti VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-266 Incorrect Privilege Assignment VulDB  
CWE-284 Improper Access Control VulDB  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-5122
NVD Published Date:
03/30/2026
NVD Last Modified:
03/30/2026
Source:
VulDB