CVE-2026-5270

CRITICAL

Authentication Bypass in Navigator and Blue Planet Products

Title source: cna
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0045
EPSS Percentile 37.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-287
Status published
Products (18)
Blue Planet/Inventory <=23.04.701
Blue Planet/Inventory <=23.08.302
Blue Planet/Inventory <=23.12.401
Blue Planet/Inventory <=24.04.001
Blue Planet/Orchestration <=23.04.2
Blue Planet/Orchestration <=23.08.4
Blue Planet/Orchestration <=23.12.3
Blue Planet/Orchestration <=24.04.2
Blue Planet/Route Optimization & Analysis <=23.04.P01-9-R
Blue Planet/Route Optimization & Analysis <=23.08.1.6-R
... and 8 more
Published Jul 14, 2026
Tracked Since Jul 15, 2026