Command Execution Vulnerability in AWS Bedrock AgentCore Python SDK
CVE-2026-12530

8.4HIGH

Key Information:

Vendor

Aws

Status
Bedrock-agentcore
Vendor
CVE Published:
17 June 2026

What is CVE-2026-12530?

An improper neutralization of argument delimiters in the install_packages() method of AWS Bedrock AgentCore Python SDK versions 1.1.3 through 1.6.0 could allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox. This security flaw highlights the importance of validating package name arguments to prevent unauthorized command execution.

Affected Version(s)

bedrock-agentcore 1.1.3 < 1.6.1

References

https://pypi.org/project/bedrock-agentcore/1.6.1/
release-notes
https://aws.amazon.com/security/security-bulletins/2026-0...
vendor-advisory

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

BeyondTrust
.