CVE-2026-18830

Summary

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.

Affected Software

VendorProductVersion RangeStatus
AWSAmazon Bedrock AgentCore harnessN/Aaffected

Weaknesses

  • CWE-1287: CWE-1287 Improper validation of specified type of input

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References