CRITICAL 9.8 NVD

CVE-2026-103409

A Missing authentication for critical function vulnerability in Juniper Networks Session Smart Router allows an unauthenticated network-based attacker to obtain

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.

References

https://supportportal.juniper.net/JSA112183

Published: 2026-10-28 · Source: NVD · Feed updated: 2026-10-28

This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-10-28 via NVD.

Risk Timeline

CVE Disclosed2026-10-28 · -1 days ago

Remediation Resources

Analysis & PoC

supportportal.juniper.net/JSA112183

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