CVE-2026-103400
Medium
Description
An Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the ember service in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with local access to unmount arbitrary filesystems or cause a denial of service via the creation of specially named directories and a service restart.
SeverityMedium
CVSS5.5
Exploit probability—
ProductSession Smart Router
PublishedOct 28, 2026
First seenNov 4, 2026
Weakness typeCWE-74Injection
How to fix
Update
- Juniper Networks Session Smart Router7.0.5, 7.1.7, 7.2.3 or later
- Juniper Networks Session Smart Conductor7.0.5, 7.1.7, 7.2.3 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Juniper Networks Session Smart Router | v < 7.0.5, 7.1.0 ≤ v < 7.1.7, 7.2.0 ≤ v < 7.2.3 | 7.0.5, 7.1.7, 7.2.3 |
| Juniper Networks Session Smart Conductor | v < 7.0.5, 7.1.0 ≤ v < 7.1.7, 7.2.0 ≤ v < 7.2.3 | 7.0.5, 7.1.7, 7.2.3 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.