CVE-2023-50928: Amazon Awslabs Sandbox Accounts For Events

Critical severity, CVSS 9.0. EPSS: 0.4% chance of exploitation in the next 30 days.

"Sandbox Accounts for Events" provides multiple, temporary AWS accounts to a number of authenticated users simultaneously via a browser-based GUI. Authenticated users could potentially claim and access empty AWS accounts by sending request payloads to the account API containing non-existent event ids and self-defined budget & duration. This issue only affects cleaned AWS accounts, it is not possible to access AWS accounts in use or existing data/infrastructure. This issue has been patched in version 1.1.0.

Affected products

• Amazon Awslabs Sandbox Accounts For Events: before 1.1.0 (fixed in 1.1.0)

Published 2023-12-22. Last modified 2026-06-17.