CVE-2026-101152

High

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.

SeverityHigh

CVSS8.0

Exploit probability—

ProductCloudVision Portal

PublishedOct 6, 2026

First seenOct 6, 2026

Weakness typeCWE-601Open redirect

How to fix

Update

Arista Networks CloudVision Portal2025.3.0 or later

Vendor advisories

arista.com/en/support/advisories-notices/security-advisory/24803-security-advisory-0187

Affected products

Product	Affected versions	Fixed in
Arista Networks CloudVision Portal	2026.2.0, 2026.1.0 ≤ v ≤ 2026.1.2, 2025.3.0 ≤ v ≤ 2025.3.3, 2021.1.0 ≤ v < 2025.3.0	2025.3.0

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