---
id: CVE-2026-101157
title: >-
  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
summary: >-
  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…
severity: high
cvss: 8.7
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L'
cwe:
  - CWE-79
vendor: Arista Networks
product: CloudVision CUE
affected:
  - cloudvision_cue >= 2021.2.0 <= 2026.2.0
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T21:17:01.997'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101157'
references:
  - url: >-
      https://www.arista.com/en/support/advisories-notices/security-advisory/24808-security-advisory-0192
    label: psirt@arista.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-06T20:05:27.586474Z'
ingestedAt: '2026-10-06T20:16:42.487Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.