What is CVE-2026-103404?

CVE-2026-103404 is a medium-severity vulnerability in Juniper Networks Session Smart Conductor, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.8/10. Published 2026-10-28.

How severe is CVE-2026-103404?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Juniper Networks Session Smart Conductor

CVE-2026-103404

An Incorrect Permission Assignment for Critical Resource vulnerability in RoutingManager in Juniper Networks Session Smart Conductor allows a local user to access sensitive routing credentials via triggering processes that write to the /tmp directory.

Published 2026-10-28 · last modified 2026-10-28.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N.

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

Juniper Networks Session Smart Conductor

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

supportportal.juniper.net/JSA112183 (vendor-advisory)

Frequently asked questions

What is CVE-2026-103404?: CVE-2026-103404 is a medium-severity vulnerability in Juniper Networks Session Smart Conductor, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.8/10. Published 2026-10-28.
How severe is CVE-2026-103404?: Medium severity. CVSS v3 base score is 6.8 out of 10.