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Vulnerabilities CVE-2026-5270

CVE-2026-5270

None
Open
TLP:CLEAR

Authentication Bypass in Navigator and Blue Planet Products

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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.

Details

EPSS Score
0.45%

37.2th percentile

Confidence
90%
Published
Jul 14, 2026
Last Modified
Jul 15, 2026
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