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CVE-2026-5269

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.

Metadata

CVE ID
CVE-2026-5269
State
PUBLISHED
Assigner
Ciena
Reserved
2026-03-31 19:44 UTC
Published
2026-07-14 22:25 UTC
Last updated
2026-07-14 22:25 UTC
Primary CWE
CWE-1393
CWE-1393 Use of default password
Vendor / Product
CIENA / Navigator NCS
Sources
cve.org  ·  NVD

Severity & Metrics

No CVSS data available.

Affected products (3)
VendorProductPlatformVersions
CIENA MCP <= 8.0
CIENA Navigator NCS 8.1
CIENA Planner Plus OnPrem <= 4.1
Weakness (CWE)
CWESourceDescription
CWE-1393 cna CWE-1393 Use of default password
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