CIENA vulnerabilities
4 published CVEs name CIENA among the affected products.
- 4Published CVEs4 of them scored
- 4Last 12 monthspublished in the last year
- 3Critical1 more rated high
- 0Known exploitedin CISA's KEV catalog
Newest CVEs
- CVE-2026-5267
Unauthenticated Event Stream Exposure of Session Tokens in Navigator NCS
Ciena · Navigator NCS
High7.5 - CVE-2026-5269
Navigator NCS and MCP System Accounts with Default Passwords
CIENA · Navigator NCS
Critical9.8 - CVE-2026-5270
Authentication Bypass in Navigator and Blue Planet Products
CIENA · Navigator NCS
Critical9.8 - CVE-2026-5268
SFTP Server Authentication Weakness
CIENA · 6500 S-Series
Critical9.1