What is CVE-2026-5709?

CVE-2026-5709 is a high-severity vulnerability in Aws Research And Engineering Studio (Res), classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-04-06.

How severe is CVE-2026-5709?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Aws Research And Engineering Studio (Res)

CVE-2026-5709

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…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.001 (30.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Aws Research And Engineering Studio (Res) — versions 2024.10

Weakness classification (CWE)

CWE-78 — OS Command Injection

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)

Frequently asked questions

What is CVE-2026-5709?: CVE-2026-5709 is a high-severity vulnerability in Aws Research And Engineering Studio (Res), classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-04-06.
How severe is CVE-2026-5709?: High severity. CVSS v3 base score is 8.8 out of 10.