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.
Published: 2026-04-06
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: Privilege Escalation via Session Creation
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 10 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Amazon
Amazon research And Engineering Studio
CPEs cpe:2.3:a:amazon:research_and_engineering_studio:*:*:*:*:*:*:*:*
Vendors & Products Amazon
Amazon research And Engineering Studio

Tue, 07 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 07 Apr 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Aws
Aws research And Engineering Studio
Vendors & Products Aws
Aws research And Engineering Studio

Tue, 07 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
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.
Title Improper Control of User-Modifiable Attributes in RES CreateSession API
Weaknesses CWE-915
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Amazon Research And Engineering Studio
Aws Research And Engineering Studio
cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-04-07T15:09:25.916Z

Reserved: 2026-04-06T16:11:19.068Z

Link: CVE-2026-5708

cve-icon Vulnrichment

Updated: 2026-04-07T14:48:49.211Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-06T22:16:25.457

Modified: 2026-04-10T20:08:48.217

Link: CVE-2026-5708

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-13T14:27:32Z

Weaknesses