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CIENA

Products

ProductCVEsExploitedLatest
Navigator NCS3–Sep 25, 2026
MCP2–Jul 14, 2026
Planner Plus OnPrem2–Jul 14, 2026
6500 S-Series1–Jul 6, 2026
6500 T-Series1–Jul 6, 2026
PTS1–Jul 6, 2026
CPL1–Jul 6, 2026

Exploited and recent CVEs

  • CVE-2026-5267 High 7.5 Unauthenticated Event Stream Exposure of Session Tokens in Navigator NCS 0.4%
  • CVE-2026-5269 Critical 9.8 Navigator NCS and MCP System Accounts with Default Passwords 0.5%
  • CVE-2026-5269 Critical 9.8 Navigator NCS and MCP System Accounts with Default Passwords 0.5%
  • CVE-2026-5269 Critical 9.8 Navigator NCS and MCP System Accounts with Default Passwords 0.5%
  • CVE-2026-5270 Critical 9.8 Authentication Bypass in Navigator and Blue Planet Products 0.7%
  • CVE-2026-5270 Critical 9.8 Authentication Bypass in Navigator and Blue Planet Products 0.7%
  • CVE-2026-5270 Critical 9.8 Authentication Bypass in Navigator and Blue Planet Products 0.7%
  • CVE-2026-5268 Critical 9.1 SFTP Server Authentication Weakness 0.7%
  • CVE-2026-5268 Critical 9.1 SFTP Server Authentication Weakness 0.7%
  • CVE-2026-5268 Critical 9.1 SFTP Server Authentication Weakness 0.7%
  • CVE-2026-5268 Critical 9.1 SFTP Server Authentication Weakness 0.7%