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VULNERABILITIES

CVE-2026-5267 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.ciena.com/product-security CienaAdvisoryBundleVendor

Weakness Enumeration

CWE-IDCWE NameSource
CWE-306Missing Authentication for Critical FunctionCiena

Affected Products

ProductVersions
Ciena Navigator Network Control Suite
All versions

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • No remediation found in references.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-5267
NVD Published Date:
Sep 25, 2026
NVD Last Modified:
Sep 28, 2026
Source:
Ciena
CVE-2026-5267 Details - Not Deferred