Vulnerability · Published Apr 6, 2026 · Assigned by AMZN

CVE-2026-5707Command Injection via Virtual Desktop Session Name in AWS Research and Engineering Studio (RES)

High 8.8

In plain English

A high-severity OS command injection in Research and Engineering Studio (RES) from AWS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.0%top 36.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
AWS	Research and Engineering Studio (RES)	2025.03 – through 2025.12.01

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://github.com/aws/res/releases/tag/2026.03 release-notes
https://github.com/aws/res/issues/151 patch
https://aws.amazon.com/security/security-bulletins/2026-014-aws/ vendor-advisory