CVE-2026-5709 | THREATINT

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.

PUBLISHED Reserved 2026-04-06 | Published 2026-04-06 | Updated 2026-04-07 | Assigner AMZN

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

HIGH: 7.7CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

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

Product status

Default status

unaffected

2024.10 (custom)

affected

References

github.com/aws/res/releases/tag/2026.03 release-notes

github.com/aws/res/issues/150 patch

aws.amazon.com/security/security-bulletins/2026-014-aws/ vendor-advisory

cve.org (CVE-2026-5709)

nvd.nist.gov (CVE-2026-5709)

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