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1 CVE

  1. CVE-2026-5268 9.1 Critique

    CIENA 6500 S-Series · CIENA 6500 T-Series · CIENA PTS · CIENA CPL

    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.