CVE-2025-4318 CRITICAL

CVE-2025-4318: Input validation issue in AWS Amplify Studio UI component properties

Vendor Amazon
Product Amplify Studio
Weakness CWE-95 · Eval injection
Published May 5, 2025
Last update January 28, 2026

CVSS base score

9.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

What the vulnerability does

01Description

The AWS Amplify Studio UI component property expressions in the aws-amplify/amplify-codegen-ui package lack input validation. This could potentially allow an authenticated user who has access to create or modify components to run arbitrary JavaScript code during the component rendering and build process.

Key dates

02Disclosure timeline

May 5, 2025 CVE published
January 28, 2026 Record updated