CVE-2026-85012 - OS command injection in the Amazon CodeCatalyst blueprints SDK

Bulletin ID: 2026-095-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/03/2026 10:00 AM PDT Description: Amazon CodeCatalyst blueprints are reusable project templates that generate a software project. The @amazon-codecatalyst/blueprints.blueprint npm package is the open source framework that blueprint authors build on, published from github.com/aws/codecatalyst-blueprints. We identified CVE-2026-85012 in the blueprint resynthesis framework. During resynthesis, the framework reads the .ownership-file from the existing project to determine which files a bluepri...