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

Quick assessment

Affected
AWS Amplify Codegen UI
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AWS Amplify Codegen UI是AWS公司开源的一款前端代码生成界面组件。 AWS Amplify Codegen UI 2.20.6之前版本存在代码注入漏洞，该漏洞源于代码生成控制不当，输入验证不足，可能导致远程认证用户通过特制Studio组件或主题模式值在终端用户浏览器、开发者机器、CI/CD环境和服务端渲染上下文中执行任意代码。

CVSS 9.0 · Critical EPSS 0.99% · P61

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
AWS Amplify Codegen UI < 2.20.6 affected
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I. Basic Information for CVE-2026-18245

Vulnerability Information
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Vulnerability Title
Incomplete fix for CVE-2025-4318 code injection in Amazon @aws-amplify/codegen-ui-react
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
AWS Amplify Codegen UI 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AWS Amplify Codegen UI是AWS公司开源的一款前端代码生成界面组件。 AWS Amplify Codegen UI 2.20.6之前版本存在代码注入漏洞，该漏洞源于代码生成控制不当，输入验证不足，可能导致远程认证用户通过特制Studio组件或主题模式值在终端用户浏览器、开发者机器、CI/CD环境和服务端渲染上下文中执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AWS Amplify Codegen UI 0 ~ 2.20.6 -

II. Public POCs for CVE-2026-18245

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8293 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-18245

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Vendor Advisories for CVE-2026-18245 (2)

Vendor Pages for CVE-2026-18245 (1)

IV. Related Vulnerabilities

Same vendor: AWS
Same weakness: CWE-94

V. Comments for CVE-2026-18245

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