PT-2026-55943 · Ciena · Ws Ftp Server

CVE-2026-5268

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Published

2026-07-06

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Updated

2026-07-08

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Name of the Vulnerable Software and Affected Versions Ciena products (affected versions not specified)
Description An authentication bypass exists in the default SFTP server component. This allows a remote, unauthenticated attacker to circumvent security controls and gain unauthorized access to the underlying filesystem, potentially enabling the reading or modification of system files.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Authentication Bypass Using an Alternate Path or Channel

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Weakness Enumeration

Related Identifiers

CVE-2026-5268

Affected Products

Ws Ftp Server