CVE-2026-103400 An Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the ember service in
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-103400?
CVE-2026-103400 is a medium-severity vulnerability in Juniper Networks Session Smart Conductor, published on 28 Oct 2026.
Official 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.
Weakness: CWE-74
Which versions are affected by CVE-2026-103400?
How do I fix CVE-2026-103400?
No fix has been published for CVE-2026-103400 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-103400 being exploited?
There is no known exploitation of CVE-2026-103400 in the wild and no public exploit code.
Sources
Also known as GHSA-hf87-h3v7-pm52.