High 8.8Published Oct 28, 2026

CVE-2026-103402Session Smart Router and Session Smart Conductor: Lack of integrity verification in cache files causes arbitrary code execution and privilege escalation

Updated under an hour ago (Oct 29, 2026, 3:10 PM ET)

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It affects Juniper Networks Session Smart Router and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-345
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: juniper
NVD analysis: Awaiting Analysis
Record last updated: Oct 28, 2026
First seen by InfoSec Signals: Oct 28, 2026

Affected products

Affected products

Juniper Networks Session Smart Router juniper_networks:session_smart_router (from the name)	before 7.0.5; from 7.1.0 before 7.1.7; from 7.2.0 before 7.2.3	CNA record
Juniper Networks Session Smart Conductor juniper_networks:session_smart_conductor (from the name)	before 7.0.5; from 7.1.0 before 7.1.7; from 7.2.0 before 7.2.3	CNA record

References

References

https://supportportal.juniper.net/JSA112183	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.