What’s Vulnerable › Vulnerabilities
CVE-2026-103402: Session Smart Router and Session Smart Conductor: Lack of integrity verification in cache files causes arbitrary code execution and privilege escalation
- Severity: high (CVSS 8.8 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-345
Description
An Insufficient Verification of Data Authenticity vulnerability in PCLI in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with write access to the model cache directory to execute arbitrary code and escalate privileges via the processing of unverified cache files.
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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