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CVE-2026-5268

SFTP Server Authentication Weakness PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
CIENA / 6500 S-Seriesaffected R16.96 and prior
CIENA / 6500 T-Seriesaffected R16.1 and prior
CIENA / PTSaffected R16.1 and prior
CIENA / CPLaffected R12.63 and prior

CWE

CWE-288

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.