PT-2026-67789 · Amazon · Bedrock-Agentcore
CVE-2026-18830
·
Published
2026-08-04
·
Updated
2026-08-31
CVSS v3.1
8.1
High
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
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 conversation messages, which enables the bypass of model invocation and security controls.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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Weakness Enumeration
Related Identifiers
Affected Products
Bedrock-Agentcore