CVE-2026-5709: Unsanitized input in the FileBrowser API in AWS Research and Engineering Studio (RES) version 2024.10 through

Q: How do I fix CVE-2026-5709?

research and engineering studio: upgrade to 2026.03. Exact commands for each OS are on this page.

Q: Is CVE-2026-5709 being exploited?

CVE-2026-5709 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-5709 affect?

CVE-2026-5709 affects research and engineering studio. Severity is high (CVSS 8.8). 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

Q: How urgent is CVE-2026-5709?

Priority 57/100. High severity; Public exploit reference; On your watchlist

This month

HIGH 8.8WATCHLISTUPGRADE

CVE-2026-5709 is a high-severity flaw (CVSS 8.8) affecting research and engineering studio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-04-06
Last modified	2026-07-24

Publisher (CNA): AMZN · Vendor: amazon

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-06 22:16 UTCPublished CVE record published
2026-07-24 09:10 UTCUpdated Record last modified

amazon research and engineering studio UPGRADE

Affected: < 2026.03

Fixed in: 2026.03

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy research-and-engineering-studio || rpm -q research-and-engineering-studio || research-and-engineering-studio --version

2. UPGRADE to 2026.03 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade research-and-engineering-studio

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade research-and-engineering-studio

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · python-googleapis-common-protos · FIXED · 1.75.5-1.fc46~bootstrap · FEDORA-2026-d911c4c4e6 · source

sudo dnf upgrade --advisory=FEDORA-2026-d911c4c4e6

Fedora ELN · see advisory · FIXED · FEDORA-2026-e3987c278f · source

sudo dnf upgrade --advisory=FEDORA-2026-e3987c278f

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-5709?

research and engineering studio: upgrade to 2026.03. Exact commands for each OS are on this page.

Is CVE-2026-5709 being exploited?

CVE-2026-5709 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-5709 affect?

CVE-2026-5709 affects research and engineering studio. Severity is high (CVSS 8.8). 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

How urgent is CVE-2026-5709?

Priority 57/100. High severity; Public exploit reference; On your watchlist

Software pages

AWS vulnerabilities

Related CVEs

CVE-2026-5707 HIGH 8.8 UPGRADE Unsanitized input in an OS command in the virtual desktop session name handling in AWS Research and Engineerin
CVE-2026-5708 HIGH 8.8 UPGRADE Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engine

References

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