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CVE-2026-5708— Improper Control of User-Modifiable Attributes in RES CreateSession API

Quick assessment

Affected
AWS Research and Engineering Studio (RES)
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.

Amazon Web Services Research and Engineering Studio是美国亚马逊（Amazon）公司的一个基于云的研究和工程环境。 Amazon Web Services Research and Engineering Studio 2026.03之前版本存在安全漏洞，该漏洞源于会话创建组件中用户可修改属性未清理，可能导致远程认证用户通过特制API请求提升权限并获取虚拟桌面主机实例配置文件权限。

CVSS 8.8 · High EPSS 0.84% · P58

Possible ATT&CK Techniques 1 AI

T1098.004 · SSH Authorized Keys
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I. Basic Information for CVE-2026-5708

Vulnerability Information
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Vulnerability Title
Improper Control of User-Modifiable Attributes in RES CreateSession API
Source: CVE Program / CVE List V5
Vulnerability Description
Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engineering Studio (RES) prior to version 2026.03 could allow an authenticated remote user to escalate privileges, assume the virtual desktop host instance profile permissions, and interact with AWS resources and services via a crafted API request. To remediate this issue, users are advised to upgrade to RES version 2026.03 or apply the corresponding mitigation patch to their existing environment.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-915
Source: CVE Program / CVE List V5
Vulnerability Title
Amazon Web Services Research and Engineering Studio 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon Web Services Research and Engineering Studio是美国亚马逊（Amazon）公司的一个基于云的研究和工程环境。 Amazon Web Services Research and Engineering Studio 2026.03之前版本存在安全漏洞，该漏洞源于会话创建组件中用户可修改属性未清理，可能导致远程认证用户通过特制API请求提升权限并获取虚拟桌面主机实例配置文件权限。
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 Research and Engineering Studio (RES) 2023.11 ~ 2025.12.01 -

II. Public POCs for CVE-2026-5708

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10405 chars
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III. Intelligence Information for CVE-2026-5708

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Vendor Advisories for CVE-2026-5708 (2)

Same Patch Batch · AWS · 2026-04-06 · 3 CVEs total

CVE-2026-5709 8.8 HIGH AWS Research and Engineering Studio (RES) FileBrowser Command Injection
CVE-2026-5707 8.8 HIGH Command Injection via Virtual Desktop Session Name in AWS Research and Engineering Studio

IV. Related Vulnerabilities

Same product: Research and Engineering Studio (RES)
Same vendor: AWS
Same weakness: CWE-915