This Week in Spring - August 11th, 2026

Hi, Spring fans! Welcome back to another lively edition of This Week in Spring! So much is always happening in the Spring world, and that’s part of what makes it so fun to follow. One of my favorite things is how much the community contributes and how great it is to connect with everyone. In earl...

CVE-2026-18830

Insufficient input validation in Amazon Bedrock AgentCore harness might allow an authenticated remote user to execute configured tools bypassing model invocation and security controls via crafted content blocks in conversation messages. AWS has addressed this issue. No customer action is required...

CVE-2026-18830

Insufficient input validation in Amazon Bedrock AgentCore harness might allow an authenticated remote user to execute configured tools bypassing model invocation and security controls via crafted content blocks in conversation messages. AWS has addressed this issue. No customer action is required...

CVE-2026-18830 Insufficient input validation in Amazon Bedrock AgentCore harness InvokeHarness API

Insufficient input validation in Amazon Bedrock AgentCore harness might allow an authenticated remote user to execute configured tools bypassing model invocation and security controls via crafted content blocks in conversation messages. AWS has addressed this issue. No customer action is required...

EUVD-2026-52819

Insufficient input validation in Amazon Bedrock AgentCore harness might allow an authenticated remote user to execute configured tools bypassing model invocation and security controls via crafted content blocks in conversation messages. AWS has addressed this issue. No customer action is required...

CVE-2026-18830

The CVE-2026-18830 issue affects the Amazon Bedrock AgentCore harness, specifically the InvokeHarness API. It arises from insufficient input validation in, or surrounding, the harness, which could allow an authenticated remote user to execute configured tools by sending crafted content blocks in ...

AWS Bedrock AgentCore: Improper neutralization of argument delimiters in the Python SDK install_packages()

SummaryThe AWS Bedrock AgentCore Python SDK bedrock-agentcore provides tools for building AI agents, including a Code Interpreter client that installs Python packages into a managed sandbox. An issue exists where, under certain circumstances, improper neutralization of argument delimiters in the...

PYSEC-2026-3551 AWS Bedrock AgentCore: Improper neutralization of argument delimiters in the Python SDK install_packages()

Summary The AWS Bedrock AgentCore Python SDK bedrock-agentcore provides tools for building AI agents, including a Code Interpreter client that installs Python packages into a managed sandbox. An issue exists where, under certain circumstances, improper neutralization of argument delimiters in the...

PT-2026-67789

Name of the Vulnerable Software and Affected Versions Amazon Bedrock AgentCore affected versions not specified Description Insufficient input validation in the AgentCore harness may allow an authenticated remote user to execute configured tools. This is achieved by using crafted content blocks in...

EUVD-2026-35187

AgentCore CLI Bedrock Agent Import Vulnerable to Code Injection via Improper Triple-Quote Escaping...

AgentCore CLI Bedrock Agent Import Vulnerable to Code Injection via Improper Triple-Quote Escaping

Summary The AgentCore CLI @aws/agentcore is a developer tool for managing agent infrastructure lifecycle on Amazon Bedrock AgentCore. An issue exists where, under certain circumstances, a crafted collaborationInstruction value stored in Bedrock Agent collaborator metadata can break out of a Pytho...

GHSA-M4X6-GWGP-4PM7 AgentCore CLI Bedrock Agent Import Vulnerable to Code Injection via Improper Triple-Quote Escaping

Summary The AgentCore CLI @aws/agentcore is a developer tool for managing agent infrastructure lifecycle on Amazon Bedrock AgentCore. An issue exists where, under certain circumstances, a crafted collaborationInstruction value stored in Bedrock Agent collaborator metadata can break out of a Pytho...

Arbitrary Argument Injection

Overview bedrock-agentcore is an An SDK for using Bedrock AgentCore Affected versions of this package are vulnerable to Arbitrary Argument Injection via the installpackages function. An attacker can execute arbitrary commands within the sandboxed environment by supplying specially crafted package...

GHSA-J6G5-3HH3-PGW8 AWS Bedrock AgentCore: Improper neutralization of argument delimiters in the Python SDK install_packages()

Summary The AWS Bedrock AgentCore Python SDK bedrock-agentcore provides tools for building AI agents, including a Code Interpreter client that installs Python packages into a managed sandbox. An issue exists where, under certain circumstances, improper neutralization of argument delimiters in the...

EUVD-2026-48422

AWS Bedrock AgentCore: Improper neutralization of argument delimiters in the Python SDK installpackages...

AWS Bedrock AgentCore: Improper neutralization of argument delimiters in the Python SDK install_packages()

Summary The AWS Bedrock AgentCore Python SDK bedrock-agentcore provides tools for building AI agents, including a Code Interpreter client that installs Python packages into a managed sandbox. An issue exists where, under certain circumstances, improper neutralization of argument delimiters in the...

CVE-2026-16796

Improper neutralization of argument delimiters in the installpackages method in AWS Bedrock AgentCore Python SDK before 1.18.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments. To mitigate this issue, user...

CVE-2026-16796 Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()

Improper neutralization of argument delimiters in the installpackages method in AWS Bedrock AgentCore Python SDK before 1.18.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments. To mitigate this issue, user...

CVE-2026-16796

Improper neutralization of argument delimiters in the installpackages method in AWS Bedrock AgentCore Python SDK before 1.18.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments. To mitigate this issue, user...

CVE-2026-16796

The vulnerability CVE-2026-16796 affects the AWS Bedrock AgentCore Python SDK install_packages() function; due to improper neutralization of argument delimiters, a remote authenticated user could execute arbitrary commands within the Code Interpreter sandbox when using SDK versions before 1.18.1....