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

High 8.7 Published 6 Apr 2026 Updated 7 Apr 2026

Remote authenticated attackers can execute arbitrary commands as root on virtual desktop hosts via crafted session names in AWS RES.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-5707?

CVE-2026-5707 is a high-severity command injection vulnerability in AWS Research and Engineering Studio (RES), published on 6 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

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.

Weakness: CWE-78

Which versions are affected by CVE-2026-5707?

It affects 1 product.

Products include Amazon Research and Engineering Studio.

How do I fix CVE-2026-5707?

No fix has been published for CVE-2026-5707 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-5707 being exploited?

There is no known exploitation of CVE-2026-5707 in the wild and no public exploit code.

Sources

Also known as GHSA-gxfh-rxpm-86pc.