CVE-2026-101151
Received
Received - Intake
Authentication Bypass via Malicious Redirect in Arista EOS
Vulnerability report for CVE-2026-101151, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-06
Last updated on: 2026-10-06
Assigner: Arista Networks, Inc.
Description
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Arista | Networks | CloudVision Portal 2026.2.0 |
| Arista | Networks | CloudVision Portal 2026.1.0 |
| Arista | Networks | CloudVision Portal 2025.3.0 |
| Arista | Networks | CloudVision Portal 2020.3.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-601 | The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect. |