CVE-2026-22611

The CVE-2026-22611 issue affects the AWS SDK for .NET (versions 4.0.0 through 4.0.3.2) where the region input field could be set to an invalid value, causing AWS API calls to be routed to non-existent or non‑AWS hosts. A defense‑in‑depth enhancement was added in v4, validating that the region for...