CVE-2026-5270
Ciena Authentication Bypass Vulnerability in Navigator NCS MCP and Blue Planet
Halo Surface Signal: 4 out of 5 — likely to be public-facing.
An authentication bypass vulnerability exists in Ciena network control and management products, allowing unauthenticated attackers to manipulate requests to bypass security and logging. This could lead to unauthorized access to sensitive network operations and data if the affected systems are reachable.