CVEvulnerability

CVE-2026-5268

9.1 CRITICAL Published 2026-07-06 Modified 2026-07-08 Official page ↗
Status
Awaiting Analysis
Published
2026-07-06
Last modified
2026-07-08
Assigner
7bd90cf1-1651-495e-9ae8-9415fb3c9feb
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-288

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.

Related

Weakness · CWE (1)

  • CWE-288 Authentication Bypass Using an Alternate Path or Channel weakness

References