RCE in Amazon Research And Engineering Studio
CVE-2026-5707
Unsanitized input in an OS command in the virtual desktop session name handling in AWS Research and Engineering Studio (RES) version 2025.03 through 2025.12.01 might allow a remote authenticated actor to execute arbitrary commands as root on the virtual desktop host via a crafted session name. 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: 0.010 · newest: 0.010 · change: -0.000
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-2026-5707?
- CVE-2026-5707 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-2026-5707?
- High severity. CVSS v3 base score is 8.8 out of 10.