CVE-2026-5269 – Navigator NCS and MCP System Accounts with Default Passwords

CVE ID :CVE-2026-5269

Published : July 14, 2026, 11:17 p.m. | 14 minutes ago

Description :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 limited permissions on their own, an attacker could combine an attack using one of these accounts with other potential weaknesses to launch a more significant attack, possibly leading to escalation of privilege on the system.

Severity: 0.0 | NA

Visit the link for more details, such as CVSS details, affected products, timeline, and more…