Insufficient Validation in CloudVision SSO Login Flow by Arista Networks
CVE-2026-101152

7.6HIGH

Key Information:

Vendor

Arista Networks

Status
Cloudvision Portal
Vendor
CVE Published:
6 October 2026

What is CVE-2026-101152?

A security concern has been identified in the Single Sign-On (SSO) login process of Arista Networks' CloudVision. This vulnerability arises from inadequate validation, allowing a remote, unauthenticated attacker to deceive users into clicking on a maliciously crafted URL. By doing so, the attacker can redirect the identity provider (IdP) to send sensitive authentication data to an unauthorized URL under the attacker's control, potentially compromising user accounts and sensitive information.

Affected Version(s)

CloudVision Portal CloudVision Portal, virtual appliance or physical appliance 2026.2.0

CloudVision Portal CloudVision Portal, virtual appliance or physical appliance 2026.1.0 <= 2026.1.2

CloudVision Portal CloudVision Portal, virtual appliance or physical appliance 2025.3.0 <= 2025.3.3

References

https://www.arista.com/en/support/advisories-notices/secu...
vendor-advisory

CVSS V4

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.