CVE-2026-5267
HIGH
7,5
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Description
AI Translation Available
Ciena Navigator Network
Control Suite (NCS) contains an information exposure vulnerability in an
event-streaming API that does not properly enforce authentication. An
unauthenticated attacker with network access to the affected service could
access the event stream and potentially obtain sensitive information.
306
Missing Authentication for Critical Function
DraftCommon Consequences
Security Scopes Affected:
Access Control
Other
Potential Impacts:
Gain Privileges Or Assume Identity
Varies By Context
Applicable Platforms
Technologies:
Cloud Computing, ICS/OT
https://www.ciena.com/product-security