CVE-2026-101157
Received
Received - Intake
Stored XSS in Arista EOS Software
Vulnerability report for CVE-2026-101157, 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
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Arista | Networks | CloudVision CUE 2021.2.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
