High severity7.5NVD Advisory· Published Sep 25, 2026· Updated Sep 25, 2026
CVE-2026-5267
CVE-2026-5267
Description
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.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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