CVE-2026-18245

Incomplete fix for CVE-2025-4318 code injection in Amazon @aws-amplify/codegen-ui-react

Published: Jul 30, 2026Updated: Jul 30, 2026 Sources: CVE List NVDCWE-94

9.0CRITICAL

Description

Improper control of code generation in Amazon @aws-amplify/codegen-ui-react before 2.20.6 might allow a remote authenticated user to execute arbitrary code in end-user browsers, developer machines, CI/CD environments, and server-side rendering contexts via crafted Studio component or theme schema values due to insufficient coverage and effectiveness of the input validation introduced for CVE-2025-4318. To remediate this issue, users should upgrade to version 2.20.6

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-94

Affected Products

AWS

commercial·US

Amplify Codegen UIMixed

Cloud & SaaS / cloud-platform

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://aws.amazon.com/security/security-bulletins/2026-066-aws/

aws.amazon.com

https://github.com/aws-amplify/amplify-codegen-ui/releases/tag/v2.20.6

github.com

https://github.com/aws-amplify/amplify-codegen-ui/security/advisories/GHSA-74xx-rjgf-m69j

github.com

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