Information Exposure Vulnerability in Ciena Navigator Network Control Suite

CVE-2026-5267

What is CVE-2026-5267?

The Ciena Navigator Network Control Suite is susceptible to an information exposure vulnerability found in its event-streaming API. This security flaw arises from insufficient authentication enforcement, allowing unauthenticated attackers with network access to potentially gain entry to the event stream. As a result, sensitive information may be disclosed, leading to serious security implications for affected users.

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