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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CIENA | 6500 S-Series | affected |
|
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| CIENA | 6500 T-Series | affected |
|
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| CIENA | PTS | affected |
|
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| CIENA | CPL | affected |
|
No data.
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Project Subscriptions
No data.
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
| Link | Providers |
|---|---|
| https://www.ciena.com/product-security |
|
Mon, 06 Jul 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Mon, 06 Jul 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | SFTP Server Authentication Weakness | |
| Weaknesses | CWE-288 | |
| References |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: Ciena
Published:
Updated: 2026-07-06T18:42:39.325Z
Reserved: 2026-03-31T19:44:32.296Z
Link: CVE-2026-5268
Vulnrichment
Updated: 2026-07-06T18:42:28.543Z
NVD
No data.
Redhat
No data.
OpenCVE Enrichment
No data.