What’s Vulnerable › Vulnerabilities

CVE-2026-5709: AWS Research and Engineering Studio (RES) FileBrowser Command Injection

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-06 · updated 2026-07-24
• Weakness: CWE-78

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.

Affected products

• AWS Research and Engineering Studio (RES): before 2026.03 — fixed in 2026.03

How to fix

Upgrade to a fixed version: AWS Research and Engineering Studio (RES) 2026.03. Check the vendor advisory for mitigations.

References

• https://aws.amazon.com/security/security-bulletins/2026-014-aws/
• https://github.com/aws/res/issues/150
• https://github.com/aws/res/releases/tag/2026.03

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