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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-5267

Unauthenticated Event Stream Exposure of Session Tokens in Navigator NCS

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Status
Published
Published
Updated
Assigning organization
Ciena

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Ciena Navigator NCS

Default version status: unaffected

  • 7.2 and any older releaseaffected
  • 7.2-P01 through 7.2-P07affected
  • 8.0affected
  • 8.0-P01 through 8.0-P06Aaffected
  • 8.1affected
  • 8.1-P01 through 8.1-P06affected
  • 8.2affected
  • 8.2-P01 through 8.2-P06affected
  • 9.0affected
  • 9.0-P01 through 9.0-P05Aaffected
  • 9.1affected
  • 9.1-P01 through 9.1-P05affected
  • 9.2affected
  • 9.2-P01 through 9.2-P02affected
  • 10.0affected
  • 10.0-P01 through 10.0-P01Baffected

References