---
id: CVE-2026-103400
title: >-
  Session Smart Router and Session Smart Conductor: Crafted directory names
  cause arbitrary filesystem unmounting during service cleanup
summary: "An Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the ember service in Juniper Networks Session Smart Router and Session Smart Conductor\_allows an attacker with local a…"
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-74
vendor: Juniper Networks
product: Session Smart Router
affected:
  - session_smart_router < 7.0.5
  - session_smart_router >= 7.1.0 < 7.1.7
  - session_smart_router >= 7.2.0 < 7.2.3
  - session_smart_conductor < 7.0.5
  - session_smart_conductor >= 7.1.0 < 7.1.7
  - session_smart_conductor >= 7.2.0 < 7.2.3
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-29T01:37:46.030388Z'
published: '2026-10-28'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T01:52:03.696Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-103400'
references:
  - url: 'https://supportportal.juniper.net/JSA112183'
tags:
  - cve.org
epss: 0.00177
epssPercentile: 0.07201
ingestedAt: '2026-10-28T17:14:44.485Z'
---

## Overview

An Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the ember service in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with local access to unmount arbitrary filesystems or cause a denial of service via the creation of specially named directories and a service restart.

## Affected

- `session_smart_router < 7.0.5`
- `session_smart_router >= 7.1.0 < 7.1.7`
- `session_smart_router >= 7.2.0 < 7.2.3`
- `session_smart_conductor < 7.0.5`
- `session_smart_conductor >= 7.1.0 < 7.1.7`
- `session_smart_conductor >= 7.2.0 < 7.2.3`

## Remediation

The following software releases of Session Smart Router and Session Smart Conductor have been updated to resolve these specific issues:
  *  7.0.5 

and all subsequent releases;
  *  7.1.7 

and all subsequent releases;
  *  7.2.3 and all subsequent releases.

### Workarounds

There are no known workarounds for this issue.