CVE-2026-101158 HIGH

CVE-2026-101158: Security Advisory 0185

Vendor Arista Networks
Product CloudVision Portal
Weakness CWE-79 · XSS
Published October 6, 2026
Last update October 6, 2026

CVSS base score

8.4/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

A missing input validation vulnerability in the Fileserver upload API allows an authenticated attacker with file upload privileges to execute stored cross-site scripting (XSS). Successful exploitation could enable the attacker to hijack another CloudVision user's web session, potentially granting full access to their account and administrative permissions.

Key dates

02Disclosure timeline

October 6, 2026 CVE published
October 6, 2026 Record updated

Related vulnerabilities

04Related CVE