CVE-2026-5269

CRITICAL9.8

Published 2026-07-14 · Updated 2026-07-15 · Source 7bd90cf1-1651-495e-9ae8-9415fb3c9feb

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.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-1393

References

https://www.ciena.com/product-security

View on NVD

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