Vulnary
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Critical· 9

CVE-2025-4318

A security flaw in the aws-amplify/amplify-codegen-ui package allows for the execution of unauthorized code. This occurs because the software does not properly validate certain property expressions used in the AWS Amplify Studio UI components.

publishedMay 5, 2025
last modifiedJul 29, 2026
sourcesNVD
severity · cvss
9
critical · how bad it is
exploitation · epss
<1%
57th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 12, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

Users of the aws-amplify/amplify-codegen-ui package who have the ability to create or modify components in the AWS Amplify Studio UI.

02

Real-world impact

An attacker with permission to create or modify components could inject and run malicious JavaScript code. This could compromise the component rendering process and the build process.

03

Why this severity

The critical severity score reflects that an attacker can execute arbitrary code, which can lead to a total loss of confidentiality, integrity, and availability of the affected system.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

  1. May 5, 2025 · May 5, 2025
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 29, 2026 · 7d ago
    Advisory updated
    The NVD record was last revised.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Attack requirementsPresent
Privileges requiredLow
User interactionNone needed
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →