Vulnerability · Published Oct 28, 2026 · Assigned by juniper
CVE-2026-103403Session Smart Router and Session Smart Conductor: Unvalidated input causes arbitrary file deletion and command execution when deleting audit rules
High 8.8
In plain English
A high-severity OS command injection in Session Smart Conductor from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.2%top 32.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in AccessManager in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker to perform arbitrary file deletion and arbitrary command execution via the deletion of an audit rule.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Session Smart Router | 0 – before 7.0.57.1.0 – before 7.1.77.2.0 – before 7.2.3 |
| Juniper Networks | Session Smart Conductor | 0 – before 7.0.57.1.0 – before 7.1.77.2.0 – before 7.2.3 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://supportportal.juniper.net/JSA112183 vendor-advisory