CVE-2026-103400 — MEDIUM (5.5)

Vulnerability Description

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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-74

References

https://supportportal.juniper.net/JSA112183

FAQ

What is CVE-2026-103400?

CVE-2026-103400 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 Cond...

How severe is CVE-2026-103400?

CVE-2026-103400 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-103400?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.