CVE-2026-103401
HIGH
MEDIUM
Priority: 0.03
BB Relevance:
68/100
Published: 2026-10-28
Modified: 2026-10-28
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
Description
An Improper Link Resolution Before File Access ('Link Following') vulnerability in the unauthenticated web server handlers in Juniper Networks Session Smart Router and Session Smart Conductor allows a local unprivileged user to overwrite arbitrary files as root via unauthenticated API endpoints. This vulnerability can be exploited on Mist-managed routers and on unmanaged Routers that have not yet been onboarded to a Conductor. Routers already managed by Conductor are not affected.
Weakness Classification (1)
Affected Software (12)
| Vendor | Product | Version |
|---|---|---|
| Juniper Networks | Session Smart Conductor | 0 < 7.0.5 |
| Juniper Networks | Session Smart Conductor | 7.1.0 < 7.1.7 |
| Juniper Networks | Session Smart Conductor | 7.2.0 < 7.2.3 |
| Juniper Networks | Session Smart Conductor | 0 < 7.0.5 |
| Juniper Networks | Session Smart Conductor | 7.1.0 < 7.1.7 |
| Juniper Networks | Session Smart Conductor | 7.2.0 < 7.2.3 |
| Juniper Networks | Session Smart Router | 0 < 7.0.5 |
| Juniper Networks | Session Smart Router | 7.1.0 < 7.1.7 |
| Juniper Networks | Session Smart Router | 7.2.0 < 7.2.3 |
| Juniper Networks | Session Smart Router | 0 < 7.0.5 |
| Juniper Networks | Session Smart Router | 7.1.0 < 7.1.7 |
| Juniper Networks | Session Smart Router | 7.2.0 < 7.2.3 |