Vulnerability · Published Oct 6, 2026 · Assigned by Arista
CVE-2026-101151Security Advisory 0187
Medium 4.3
In plain English
A medium-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 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 76.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient validation of request in login flow could allow a remote, unauthenticated attacker to craft a URL that, when clicked by a user, redirects the user's browser to an arbitrary external site upon completion of the authentication process.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Arista Networks | CloudVision Portal | 2026.2.02026.1.0 – through 2026.1.22025.3.0 – through 2025.3.32020.3.0 – before 2025.3.0 |
Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N