CVE-2026-103405

Medium

Description

An Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the web server in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker to inject arbitrary HTTP headers via unsanitized request body parameters.

SeverityMedium
CVSS5.8
Exploit probability13. percentile0.2%
ProductSession Smart Router
PublishedOct 28, 2026
First seenNov 6, 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

Affected products

ProductAffected versionsFixed in
Juniper Networks Session Smart Routerv < 7.0.5, 7.1.0 ≤ v < 7.1.7, 7.2.0 ≤ v < 7.2.37.0.5, 7.1.7, 7.2.3
Juniper Networks Session Smart Conductorv < 7.0.5, 7.1.0 ≤ v < 7.1.7, 7.2.0 ≤ v < 7.2.37.0.5, 7.1.7, 7.2.3

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