Path Traversal in Juniper Networks Session Smart Conductor

CVE-2026-103407

An Improper Limitation of a Pathname to a Restricted Directory vulnerability in ConfigDirector in Juniper Networks Session Smart Router and Session Smart Conductor allows an authenticated REST user to read, overwrite, or delete arbitrary certificate and key files on the host filesystem via the certificate and private-key REST API.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-103407?
CVE-2026-103407 is a high-severity vulnerability in Juniper Networks Session Smart Conductor, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-10-28.
How severe is CVE-2026-103407?
High severity. CVSS v3 base score is 8.8 out of 10.