---
id: CVE-2026-101151
title: >-
  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…
summary: >-
  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…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'
cwe:
  - CWE-601
vendor: Arista Networks
product: CloudVision Portal
affected:
  - cloudvision_portal 2026.2.0
  - cloudvision_portal >= 2026.1.0 <= 2026.1.2
  - cloudvision_portal >= 2025.3.0 <= 2025.3.3
  - cloudvision_portal >= 2020.3.0 < 2025.3.0
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T20:17:09.093'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101151'
references:
  - url: >-
      https://www.arista.com/en/support/advisories-notices/security-advisory/24803-security-advisory-0187
    label: psirt@arista.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-06T19:50:14.324307Z'
ingestedAt: '2026-10-06T20:16:42.476Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.