RCE in Amazon Research And Engineering Studio
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 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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (60.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.010 · change: -0.001
Affected products
Weakness classification (CWE)
References
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (release-notes, Release Notes)
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (Exploit, patch, Issue Tracking)
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-5709?
- CVE-2026-5709 is a high-severity vulnerability in Amazon Research And Engineering Studio, 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.