CVE-2026-5709

Name: CVE-2026-5709
Creator: NVD / NIST
Published: 2026-04-06T22:16:25.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.7/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2026-5709 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.7/10

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

1.09%

61.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Amazon	Research And Engineering Studio	< 2026.03

References

https://aws.amazon.com/security/security-bulletins/2026-014-aws/Vendor Advisory
https://github.com/aws/res/issues/150Exploit, Issue Tracking
https://github.com/aws/res/releases/tag/2026.03Release Notes

Timeline

Published: Apr 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-5709?

How severe is CVE-2026-5709?

CVE-2026-5709 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5709?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5709?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST