CVE-2026-105812 Amazon Bedrock AgentCore Starter Toolkit - Remote Code Execution

Amazon Bedrock AgentCore Starter Toolkit < 0.3.14 contains a remote code execution caused by improper control of code generation in agent import functionality, letting authenticated same-account actors execute arbitrary code via crafted configuration values, exploit requires authentication.

CVSS base score 9.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.28% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-94

Vendor fix

Upgrade to version 0.3.14 and re-import agents with this version or later, replacing local and deployed artifacts.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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