CVE-2026-5707: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in AWS Research and Engineering Studio (RES)
CVE-2026-5707 is a high-severity OS command injection vulnerability in AWS Research and Engineering Studio (RES) versions 2025.03 through 2025.12.01. It allows a remote authenticated user to execute arbitrary commands as root on the virtual desktop host due to improper input sanitization of the virtual desktop session name. AWS has released a patch in RES version 2026.03 to address this issue. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-5707) affects AWS Research and Engineering Studio (RES) versions from 2025.03 to 2025.12.01. It arises from improper neutralization of special elements in OS commands (CWE-78), specifically in the handling of the virtual desktop session name. This flaw enables a remote authenticated user to execute arbitrary OS commands with root privileges on the virtual desktop host. AWS has acknowledged the issue and released a patch in version 2026.03. The service is cloud-hosted, and AWS manages remediation server-side.
Potential Impact
Successful exploitation allows a remote authenticated user to execute arbitrary commands as root on the virtual desktop host, potentially leading to full system compromise, including confidentiality, integrity, and availability impacts. No active exploitation has been reported so far.
Mitigation Recommendations
AWS has released a patch in RES version 2026.03 that addresses this vulnerability. Since RES is a cloud service, AWS manages the remediation on their side. Users should verify that their RES instances are updated to version 2026.03 or later. Check the AWS security bulletin at https://aws.amazon.com/security/security-bulletins/2026-014-aws/ for the latest remediation status and guidance.
CVE-2026-5707: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in AWS Research and Engineering Studio (RES)
Description
CVE-2026-5707 is a high-severity OS command injection vulnerability in AWS Research and Engineering Studio (RES) versions 2025.03 through 2025.12.01. It allows a remote authenticated user to execute arbitrary commands as root on the virtual desktop host due to improper input sanitization of the virtual desktop session name. AWS has released a patch in RES version 2026.03 to address this issue. No known exploits are reported in the wild at this time.
CVSS v3.1
Score 8.8high
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-5707) affects AWS Research and Engineering Studio (RES) versions from 2025.03 to 2025.12.01. It arises from improper neutralization of special elements in OS commands (CWE-78), specifically in the handling of the virtual desktop session name. This flaw enables a remote authenticated user to execute arbitrary OS commands with root privileges on the virtual desktop host. AWS has acknowledged the issue and released a patch in version 2026.03. The service is cloud-hosted, and AWS manages remediation server-side.
Potential Impact
Successful exploitation allows a remote authenticated user to execute arbitrary commands as root on the virtual desktop host, potentially leading to full system compromise, including confidentiality, integrity, and availability impacts. No active exploitation has been reported so far.
Mitigation Recommendations
AWS has released a patch in RES version 2026.03 that addresses this vulnerability. Since RES is a cloud service, AWS manages the remediation on their side. Users should verify that their RES instances are updated to version 2026.03 or later. Check the AWS security bulletin at https://aws.amazon.com/security/security-bulletins/2026-014-aws/ for the latest remediation status and guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- AMZN
- Date Reserved
- 2026-04-06T16:11:18.532Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://aws.amazon.com/security/security-bulletins/2026-014-aws/","vendor":"AWS"}]
Threat ID: 69d4297c0a160ebd92e00947
Added to database: 04/06/2026, 21:45:32 UTC
Last enriched: 06/05/2026, 19:27:06 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 115
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.