High
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.
Announced Group revision 1
Original source ↗CVE-2026-18830
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-18830
Amazon Bedrock AgentCore harness
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "AWS",
"product": "Amazon Bedrock AgentCore harness",
"versions": [
{
"status": "affected",
"version": "N/A",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-18830
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #17024 · Revision 1
- Added to Heist Feed
- Publisher date