cvedb.io
CVE-2026-5268
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2026-07-06T16:16:38.433 · Last modified 2026-07-06T19:17:09.110

Summary

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.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.