CVE-2026-5268
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
An authentication bypass vulnerability exists in the default SFTP server component utilized across the Ciena products listed. This vulnerability allows a remote, unauthenticated attacker to bypass security controls and gain unauthorized access to the underlying filesystem. Successful exploitation could allow an attacker to read or modify system files.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| CIENA | 6500 S-Series | R16.96 and prior | affected |
| CIENA | 6500 T-Series | R16.1 and prior | affected |
| CIENA | PTS | R16.1 and prior | affected |
| CIENA | CPL | R12.63 and prior | affected |
Weaknesses
- CWE-288: CWE-288 Authentication bypass using an alternate path or channel
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
References
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