CVE-2026-103407
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Improper Pathname Restriction in Juniper Session Smart Router
Vulnerability report for CVE-2026-103407, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-28
Last updated on: 2026-10-28
Assigner: Juniper Networks, Inc.
Description
Description
An Improper Limitation of a Pathname to a Restricted Directory vulnerability in ConfigDirector in Juniper Networks Session Smart Router and Session Smart Conductor allows an authenticated REST user to read, overwrite, or delete arbitrary certificate and key files on the host filesystem via the certificate and private-key REST API.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Juniper Networks | Session Smart Router | 0 |
| Juniper Networks | Session Smart Router | 7.1.0 |
| Juniper Networks | Session Smart Router | 7.2.0 |
| Juniper Networks | Session Smart Conductor | 0 |
| Juniper Networks | Session Smart Conductor | 7.1.0 |
| Juniper Networks | Session Smart Conductor | 7.2.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-22 | The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. |
