CVE-2026-5709

HIGH

AWS Research and Engineering Studio (RES) FileBrowser Command Injection

Title source: cna

Description

Unsanitized input in the FileBrowser API in AWS Research and Engineering Studio (RES) version 2024.10 through 2025.12.01 might allow a remote authenticated actor to execute arbitrary commands on the cluster-manager EC2 instance via crafted input when using the FileBrowser functionality. To remediate this issue, users are advised to upgrade to RES version 2026.03 or apply the corresponding mitigation patch to their existing environment.

References (3)

Core 3

Core References

Release Notes release-notes

https://github.com/aws/res/releases/tag/2026.03

Patch patch

https://github.com/aws/res/issues/150

Vendor Advisory vendor-advisory

https://aws.amazon.com/security/security-bulletins/2026-014-aws/

Scores

CVSS v3 8.8

EPSS 0.0109

EPSS Percentile 60.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-78

Status published

Products (2)

amazon/research_and_engineering_studio < 2026.03

AWS/Research and Engineering Studio (RES) 2024.10 - 2025.12.01

Published Apr 06, 2026

Tracked Since Apr 07, 2026