CVE-2026-5709 AWS Research and Engineering Studio (RES) FileBrowser Command Injection
Remote authenticated attackers can execute arbitrary commands on cluster-manager instances via unsanitized input in the FileBrowser API.
- 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-2026-5709?
CVE-2026-5709 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 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-5709?
It affects 1 product.
Products include Amazon Research and Engineering Studio.
How do I fix CVE-2026-5709?
No fix has been published for CVE-2026-5709 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-2026-5709 being exploited?
There is no known exploitation of CVE-2026-5709 in the wild and no public exploit code.
Other vulnerabilities in AWS Research and Engineering Studio (RES)
Sources
Also known as GHSA-6vq3-2fhj-j6wx.