---
id: CVE-2026-101152
title: >-
  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
  attack…
summary: >-
  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
  attack…
severity: high
cvss: 8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/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 >= 2021.1.0 < 2025.3.0
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T20:17:09.243'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101152'
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: total
  timestamp: '2026-10-06T19:49:47.242959Z'
ingestedAt: '2026-10-06T20:16:42.477Z'
---

## Overview

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.

## Remediation

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