VulnerabilityAwaiting Analysis
CVE-2026-5268
An authentication bypass vulnerability exists in the default SFTP server component utilized across the Ciena products listed.
CRITICAL 9.1EPSS 0.66%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.66% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-288
- Source
- 7bd90cf1-1651-495e-9ae8-9415fb3c9feb
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.