XSS in Arista Networks Cloudvision Cue

CVE-2026-101157

A stored cross-site scripting (XSS) vulnerability may allow an unauthenticated attacker with adjacent-network access to inject malicious content that executes when an authenticated user views affected content. Successful exploitation may allow the attacker to compromise the victim's authenticated browser session, access sensitive data, modify system state, or disrupt affected services.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L.

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-101157?
CVE-2026-101157 is a high-severity vulnerability in Arista Networks Cloudvision Cue, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-10-06.
How severe is CVE-2026-101157?
High severity. CVSS v3 base score is 8.7 out of 10.