CVE-2026-5708 HIGH

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

Vendor Aws
Product Research and Engineering Studio (RES)
Weakness CWE-915
Published April 6, 2026
Last update April 7, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 6, 2026 CVE published
April 7, 2026 Record updated