What’s Vulnerable › Vulnerabilities
CVE-2026-103405: Session Smart Router and Session Smart Conductor: Unsanitized input causes HTTP response splitting
- Severity: medium (CVSS 5.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-28 · updated 2026-10-28
- Weakness: CWE-74
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.
Affected products
- Juniper Networks Session Smart Conductor: before 7.0.5; from 7.1.0 before 7.1.7; from 7.2.0 before 7.2.3 — fixed in 7.0.5, 7.1.7, 7.2.3
- Juniper Networks Session Smart Router: before 7.0.5; from 7.1.0 before 7.1.7; from 7.2.0 before 7.2.3 — fixed in 7.0.5, 7.1.7, 7.2.3
How to fix
Upgrade to a fixed version: Juniper Networks Session Smart Conductor 7.0.5, 7.1.7, 7.2.3; Juniper Networks Session Smart Router 7.0.5, 7.1.7, 7.2.3. Check the vendor advisory for mitigations.
References
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