CVE-2026-102161: Arista CloudVision CUE authentication bypass via IP spoofing

CVE-2026-102161 · Severity: high · CVSS 8.8 · Published 2026-10-06

CloudVision CUE is Arista's Wi-Fi management platform deployed on-premises. An unauthenticated attacker on an adjacent network, or routed through a proxy that forwards client headers, can spoof their IP address to gain administrative access to the backend, enabling full control of Wi-Fi infrastructure and potential access to sensitive location data.

Technologies: Arista Cloudvision Portal. Vendors: Arista.

Quick answers

Is CVE-2026-102161 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-102161 being exploited in the wild.
How severe is CVE-2026-102161?
High severity, with a CVSS score of 8.8, published 6 October 2026.
Which products and versions are affected?
Arista Cloudvision Portal 2026.2.0 and all prior releases back to 2021.2.0.
Is there a fix for CVE-2026-102161?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-102161 attacked?
It is attacked from the adjacent network or over the network, in a network appliance.
Am I affected by CVE-2026-102161?
Check whether you run Arista Cloudvision Portal at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An authentication bypass vulnerability (CWE-290, CWE-798) allows unauthenticated attackers on adjacent networks or behind a reverse proxy/load balancer that forwards client IP headers to spoof their source IP and obtain administrative session privileges. The vulnerability affects CloudVision Portal on-premises versions 2026.2.0 back to 2021.2.0. The vulnerability is network-adjacent or adjacent-via-proxy based, with no user interaction required.

Affected products

  • Arista CloudVision Portal 2026.2.0 and all prior releases back to 2021.2.0

Timeline

  • 2026-10-06: disclosed

References

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