What’s Vulnerable › Products

CIENA MCP vulnerabilities

2 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your CIENA MCP version is affected

Latest CIENA MCP vulnerabilities

• CVE-2026-5270 — Authentication Bypass in Navigator and Blue Planet Products (CVSS 9.8)
• CVE-2026-5269 — Navigator NCS and MCP System Accounts with Default Passwords (CVSS 9.8)