High severity · published Apr 6, 2026
CVE-2026-5707
Command Injection via Virtual Desktop Session Name in AWS Research and Engineering Studio (RES)
8.8
CVSS
1%
EPSS
No
On KEV
Description
Unsanitized input in an OS command in the virtual desktop session name handling in AWS Research and Engineering Studio (RES) version 2025.03 through 2025.12.01 might allow a remote authenticated actor to execute arbitrary commands as root on the virtual desktop host via a crafted session name.
To remediate this issue, users are advised to upgrade to RES version 2026.03 or apply the corresponding mitigation patch to their existing environment.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
Research and Engineering Studio (RES) · AWS
2025.03 through 2025.12.01 · source: vendor
RA
Research And Engineering Studio · Amazon
before 2026.03 · source: NVD
Affected product
RA
Research and Engineering Studio (RES)
AWS
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5707
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5707
Vendor Advisory
https://aws.amazon.com/security/security-bulletins/2026-014-aws/
Exploit
https://github.com/aws/res/issues/151
Release Notes
https://github.com/aws/res/releases/tag/2026.03
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