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Product · CIENA

Planner Plus OnPrem

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.8
    CVE-2026-5269

    Navigator NCS and MCP System Accounts with Default Passwords

    In Ciena's Navigator Network Control Suite (NCS) and Manage Control Plan (MCP), there are hidden system accounts used for internal software operations. Some of these accounts have default passwords that may be predictable. While these accounts have very limit…

    CIENA Navigator NCS MCP Planner Plus OnPrem
  • Critical 9.8
    CVE-2026-5270

    Authentication Bypass in Navigator and Blue Planet Products

    An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite (NCS), Manage Control Plan (MCP), and Blue Planet products. The issue is caused by improper handling of HTTP request paths and headers, which allows an …

    CIENA Blue Planet Navigator NCS Planner Plus OnPrem