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.
Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 04 Aug 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Insufficient input validation in Amazon Bedrock AgentCore harness InvokeHarness API | |
| First Time appeared |
Aws
Aws amazon Bedrock Agentcore Harness |
|
| Weaknesses | CWE-1287 | |
| CPEs | cpe:2.3:a:aws:amazon_bedrock_agentcore_harness:n_a:*:*:*:*:*:*:* | |
| Vendors & Products |
Aws
Aws amazon Bedrock Agentcore Harness |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: AMZN
Published:
Updated: 2026-08-04T18:52:52.795Z
Reserved: 2026-08-04T14:11:16.899Z
Link: CVE-2026-18830
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OpenCVE Enrichment
No data.
Weaknesses