VULNERABILITY INTELLIGENCE

CVE-2026-5268

CVSS score9.1 CRITICAL
EPSS probability0.66%
CISA KEVNot currently listed
Published2026-07-06
Last modified2026-07-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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.

Weakness classification

  • 7bd90cf1-1651-495e-9ae8-9415fb3c9feb: CWE-288

Primary references