All 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

Juniper Networks Session Smart RouterNetwork & edge
CVSS
8.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed in7.0.5Also 7.1.7, 7.2.3CVE List
Published28 Oct 2026Updated 28 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 6

  • Session Smart Routeraffected: all versions before 7.0.5CVE List
  • Session Smart Routeraffected: 7.1.0 before 7.1.7CVE List
  • Session Smart Routeraffected: 7.2.0 before 7.2.3CVE List
  • Session Smart Conductoraffected: all versions before 7.0.5CVE List
  • Session Smart Conductoraffected: 7.1.0 before 7.1.7CVE List
  • Session Smart Conductoraffected: 7.2.0 before 7.2.3CVE List

References 1