CVE-2026-5709

AWS Research and Engineering Studio (RES) FileBrowser Command Injection

State: Published
Severity: 7.7 High
Published: Apr 6, 2026
Updated: Apr 7, 2026
Reserved: Apr 6, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	7.7 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	AMZN
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	AMZN

Weaknesses

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

Affected Products

Product	Versions
Research and Engineering Studio (RES)AWS	2024.10 through 2025.12.01Affected

References

https://github.com/aws/res/releases/tag/2026.03release-notes
https://github.com/aws/res/issues/150patch
https://aws.amazon.com/security/security-bulletins/2026-014-aws/vendor-advisory

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