Vulnerability · Published Oct 6, 2026 · Assigned by Arista
CVE-2026-101152Security Advisory 0187
High 8.0
In plain English
A high-severity open redirect in CloudVision Portal 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 32% of all known vulnerabilities).
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.4%top 68.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient validation in the Single Sign-On (SSO) login flow could allow a remote, unauthenticated attacker to craft a URL that, when clicked by a user, causes the identity provider (IdP) to deliver authentication material to an attacker-controlled URL instead of to CloudVision.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Arista Networks | CloudVision Portal | 2026.2.02026.1.0 – through 2026.1.22025.3.0 – through 2025.3.32021.1.0 – before 2025.3.0 |
Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N