Improper S3 ownership verification in Bedrock AgentCore Starter Toolkit

Summary An issue has been identified in the Bedrock AgentCore Starter Toolkit versions prior to v0.1.13 that may allow a remote actor to inject code during the build process, leading to code execution in the AgentCore Runtime. Impact A remote actor could inject code during the build process,...

CVE-2026-4269 Improper S3 ownership verification in Bedrock AgentCore Starter Toolkit

A missing S3 ownership verification in the Bedrock AgentCore Starter Toolkit before version v0.1.13 may allow a remote actor to inject code during the build process, leading to code execution in the AgentCore Runtime. This issue only affects users of the Bedrock AgentCore Starter Toolkit before...

CVE-2026-4269 Improper S3 ownership verification in Bedrock AgentCore Starter Toolkit

A missing S3 ownership verification in the Bedrock AgentCore Starter Toolkit before version v0.1.13 may allow a remote actor to inject code during the build process, leading to code execution in the AgentCore Runtime. This issue only affects users of the Bedrock AgentCore Starter Toolkit before...

CVE-2026-4269

A missing S3 ownership verification in the Bedrock AgentCore Starter Toolkit before version v0.1.13 may allow a remote actor to inject code during the build process, leading to code execution in the AgentCore Runtime. This issue only affects users of the Bedrock AgentCore Starter Toolkit before...

CVE-2026-4269

CVE-2026-4269 : The Bedrock AgentCore Starter Toolkit (pre-v0.1.13) suffers from missing S3 ownership verification during the build process, enabling a remote attacker to inject code and execute it in the AgentCore Runtime when a toolkit is built after 2025-09-24. Affected: users on pre-0.1.13 bu...