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

Source: https://junglewise.ai/threats/cve-2026-102161-an-unauthenticated-attacker-located-on-an-adjacent-private  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/cloudvision-portal). Vendors: [Arista](https://junglewise.ai/threats/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

- [https://www.arista.com/en/support/advisories-notices/security-advisory/24806-security-advisory-0190](https://www.arista.com/en/support/advisories-notices/security-advisory/24806-security-advisory-0190)

## Related threats

- [Arista CloudVision CUE OS command injection in backup management](https://junglewise.ai/threats/cve-2026-102160-an-operating-system-os-command-injection-vulnerability-in)
- [Arista CloudVision-CUE access control bypass in backend](https://junglewise.ai/threats/cve-2026-102159-an-access-control-flaw-in-the-cv-cue-backend-may-allow-an)
- [Arista CloudVision CUE SQL injection in API parameter validation](https://junglewise.ai/threats/cve-2026-102158-improper-validation-of-selected-cloudvision-cue-application)
- [Arista CloudVision CUE IDOR in file-serving interface](https://junglewise.ai/threats/cve-2026-102157-an-insecure-direct-object-reference-idor-vulnerability-in-a)
- [Arista CloudVision CUE LDAP injection](https://junglewise.ai/threats/cve-2026-102156-improper-neutralization-of-lightweight-directory-access-protocol)