PT-2026-55943 · Ciena · 6500 S-Series+3
Published
2026-07-06
·
Updated
2026-07-06
·
CVE-2026-5268
None
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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.
Authentication Bypass Using an Alternate Path or Channel
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Weakness Enumeration
Related Identifiers
Affected Products
6500 S-Series
Tn-G6500 Series
Cpl
Pts