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CVE-2026-1034099.8Critical

Session Smart Router: An attacker obtains administrative privileges when an unauthenticated internal endpoint is accessed

Juniper Networks · Session Smart Router

Not in CISA KEVVendor fix available

No EPSS score yet. The score appears once FIRST publishes it.

9.8CriticalCVSS
LowCrit.

DescriptionNVD

A Missing authentication for critical function vulnerability in Juniper Networks Session Smart Router allows an unauthenticated network-based attacker to obtain administrative privileges by passing crafted URL parameters to an insecure endpoint running as root. Note that this vulnerability can only be exploited prior to the device being onboarded to Mist/Conductor. The issue can no longer be exploited once a device is onboarded to Mist/Conductor.

Coverage1 article · 1 outlet

First in our coverage: SecurityOnline, 28 Oct.

  1. Juniper fixes 18 flaws in Session Smart routers and Conductor
    SecurityOnline · first in our coverage · mentions it in passing

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References

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