Vulnerability · Published Oct 6, 2026 · Assigned by Arista
CVE-2026-102159Security Advisory 0190
Critical 9.8
In plain English
A critical-severity missing authentication in CloudVision CUE from Arista Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.4%top 69.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Arista Networks | CloudVision CUE | 2022.3.0 – through 2026.2.0 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H