What’s Vulnerable › Vulnerabilities

CVE-2026-18245: Incomplete fix for CVE-2025-4318 code injection in Amazon @aws-amplify/codegen-ui-react

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-30 · updated 2026-10-23
• Weakness: CWE-94

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

Affected products

• AWS Amplify Codegen UI: before 2.20.6 — fixed in 2.20.6

How to fix

Upgrade to a fixed version: AWS Amplify Codegen UI 2.20.6. Check the vendor advisory for mitigations.

References

• https://aws.amazon.com/security/security-bulletins/2026-066-aws/
• https://github.com/aws-amplify/amplify-codegen-ui/releases/tag/v2.20.6
• https://github.com/aws-amplify/amplify-codegen-ui/security/advisories/GHSA-74xx-rjgf-m69j

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