What is CVE-2026-101151?

CVE-2026-101151 is a medium-severity vulnerability in Arista Networks Cloudvision Portal, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-10-06.

How severe is CVE-2026-101151?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Open Redirect in Arista Networks Cloudvision Portal

CVE-2026-101151

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.

Vulnerability class: Open Redirect

Published 2026-10-06 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Arista Networks Cloudvision Portal — versions 2026.2.0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

www.arista.com/en/support/advisories-notices/security-advisory/24803-security-a… (vendor-advisory)

Frequently asked questions

What is CVE-2026-101151?: CVE-2026-101151 is a medium-severity vulnerability in Arista Networks Cloudvision Portal, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-10-06.
How severe is CVE-2026-101151?: Medium severity. CVSS v3 base score is 4.3 out of 10.