CVE-2026-5709

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.

CVSS Vector

References

• https://aws.amazon.com/security/security-bulletins/2026-014-aws/
• https://github.com/aws/res/issues/150
• https://github.com/aws/res/releases/tag/2026.03