CVE-2026-5124CWE-266CWE-284

osrg GoBGP BGP Header bgp.go BGPHeader.DecodeFromBytes access control

Medium · published March 30, 2026

CVSS v4.0
6.3
EPSS
0%
Percentile
39.6
In the wild
Unconfirmed
What it is

A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitability is told to be difficult. The identifier of the patch is f0f24a2a901cbf159260698211ab15c583ced131. To fix this issue, it is recommended to deploy a patch.

The record
Technical detail
CVSS v4.0
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/E:X
EPSS
0.00469 · 39.6th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-284 · Improper Access Control
Published
2026-03-30T16:15Z
EPSS history
Timeline
  • 30 MAR 16:15Z
    osrg GoBGP BGP Header bgp.go BGPHeader.DecodeFromBytes access control
    cvelistv5