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CVE-2026-103400medium5.5

Session Smart Router and Session Smart Conductor: Crafted directory names cause arbitrary filesystem unmounting during service cleanup

Impact

Juniper Networks Session Smart Router and Session Smart Conductor versions before 7.0.5, 7.1.7, and 7.2.3 have an Improper Neutralization of Special Elements vulnerability, allowing an attacker with local access to unmount arbitrary filesystems via crafted directory names. The attacker must create specially named directories and restart the service. This may cause a denial of service.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

What to do

The following software releases of Session Smart Router and Session Smart Conductor have been updated to resolve these specific issues:

  • 7.0.5

and all subsequent releases;

  • 7.1.7

and all subsequent releases;

  • 7.2.3 and all subsequent releases.
juniper guidance

There are no known workarounds for this issue.

juniper guidance

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Juniper Networks · juniper

Session Smart Router

3 ranges

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 7.0.5

custom versions

7.1.0 → before 7.1.7

custom versions

7.2.0 → before 7.2.3

custom versions

unaffected

unknown

Other versions: unaffected

Juniper Networks · juniper

Session Smart Conductor

3 ranges

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 7.0.5

custom versions

7.1.0 → before 7.1.7

custom versions

7.2.0 → before 7.2.3

custom versions

unaffected

unknown

Other versions: unaffected

Original source 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.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-103400

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-74 ↗

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

juniper

Related →
Contributing organizations · 2
juniper

Assigning organization

2026-10-28
CISA-ADP

Additional data publisher

2026-10-29

What changed

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References

1 sources