CVE-2026-103405

MEDIUM 5.8CVE-2026-103405 · Published 28/10/2026 · updated 06/11/2026

In short

CVE-2026-103405 is a MEDIUM (CVSS 5.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.23%, higher than 13.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

supportportal.juniper.net/JSA112183

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