CVE-2026-7191— Arbitrary Code Execution via Sandbox Bypass in the open source solution QnABot on AWS
Quick assessment
Affected
AWS QnABot on AWS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
aws-solutions QnABot on AWS是aws-solutions公司的一个多语言聊天机器人。 aws-solutions QnABot on AWS 7.2.4及之前版本存在代码注入漏洞，该漏洞源于静态评估npm包使用不当，可能导致经过身份验证的管理员通过注入特制条件链表达式绕过沙箱，执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-7191
Vulnerability Information
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Vulnerability Title
Arbitrary Code Execution via Sandbox Bypass in the open source solution QnABot on AWS
Source: CVE Program / CVE List V5
Vulnerability Description
Improper use of the static-eval npm package in the open source solution qnabot-on-aws versions 7.2.4 and earlier may allow an authenticated administrator to execute arbitrary code within the fulfillment Lambda execution context by injecting a crafted conditional chaining expression via the Content Designer interface, which bypasses the intended expression sandbox through JavaScript prototype manipulation. This may grant direct access to backend resources (Lambda environment variables, OpenSearch indices, S3 objects, DynamoDB tables) that are not exposed through normal administrative interfaces.
We recommend you upgrade to version 7.3.0 or above.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/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-solutions QnABot on AWS 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
aws-solutions QnABot on AWS是aws-solutions公司的一个多语言聊天机器人。 aws-solutions QnABot on AWS 7.2.4及之前版本存在代码注入漏洞，该漏洞源于静态评估npm包使用不当，可能导致经过身份验证的管理员通过注入特制条件链表达式绕过沙箱，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 | QnABot on AWS | 0 ~ 7.2.4 | - |
|
II. Public POCs for CVE-2026-7191
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-7191 (1)
Other References for CVE-2026-7191 (1)
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V. Comments for CVE-2026-7191
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