Vulnerability · Published Oct 28, 2026 · Assigned by juniper
CVE-2026-103405Session Smart Router and Session Smart Conductor: Unsanitized input causes HTTP response splitting
Medium 5.8
In plain English
A medium-severity injection in Session Smart Conductor from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS 3.1)5.8Medium
Exploit odds (30 days)0.2%top 86.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Session Smart Router | 0 – before 7.0.57.1.0 – before 7.1.77.2.0 – before 7.2.3 |
| Juniper Networks | Session Smart Conductor | 0 – before 7.0.57.1.0 – before 7.1.77.2.0 – before 7.2.3 |
Weakness: CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
References
- https://supportportal.juniper.net/JSA112183 vendor-advisory