CVE-2026-5270
Received Received - Intake

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Vulnerability report for CVE-2026-5270, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-14

Last updated on: 2026-07-14

Assigner: Ciena

Description

An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite (NCS), Manage Control Plan (MCP), and Blue Planet products. The issue is caused by improper handling of HTTP request paths and headers, which allows an unauthenticated attacker to manipulate requests in a manner that bypasses authentication and associated audit logging controls.

CVSS Scores

EPSS Scores

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Percentile:

Meta Information

Published
2026-07-14
Last Modified
2026-07-14
Generated
2026-07-15
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
ciena navigator_network_control_suite *
ciena manage_control_plan *
ciena blue_planet *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-287 When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Attack-Flow Graph

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EPSS Chart