Insufficient Request Validation in Arista Networks Products
CVE-2026-101151

5.3MEDIUM

Key Information:

Vendor

Arista Networks

Status
Cloudvision Portal
Vendor
CVE Published:
6 October 2026

What is CVE-2026-101151?

A vulnerability exists in Arista Networks products due to insufficient validation of requests in the login flow. This flaw allows a remote, unauthenticated attacker to design a malicious URL that, if accessed by an end-user, can redirect the user's browser to any external site after the authentication process is completed. This poses security risks by potentially compromising user data and enabling phishing attempts.

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:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.