CVE-2026-103402

High

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.

SeverityHigh
CVSS8.8
Exploit probability9. percentile0.2%
ProductSession Smart Router
PublishedOct 28, 2026
First seenNov 6, 2026
Weakness typeCWE-345CWE-345

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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