What is CVE-2026-102159?

CVE-2026-102159 is a critical-severity vulnerability in Arista Networks Cloudvision Cue, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-10-06.

How severe is CVE-2026-102159?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Arista Networks Cloudvision Cue

CVE-2026-102159

An access-control flaw in the CV-CUE backend may allow an unauthenticated network attacker to access functionality intended only for internal services. Successful exploitation may expose sensitive location information or disrupt affected services.

Vulnerability class: Broken Authentication

Published 2026-10-06 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Arista Networks Cloudvision Cue

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.arista.com/en/support/advisories-notices/security-advisory/24806-security-a… (vendor-advisory)

Frequently asked questions

What is CVE-2026-102159?: CVE-2026-102159 is a critical-severity vulnerability in Arista Networks Cloudvision Cue, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-10-06.
How severe is CVE-2026-102159?: Critical severity. CVSS v3 base score is 9.8 out of 10.