CVE Feed

    Dashboard / CVE / CVE-2026-18830

    CVE-2026-18830

    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.

    Published:Aug 4, 2026
    Last Modified:Aug 4, 2026
    EPS:Aug 4, 2026
    EPSS Score:
    CVSS Score:8.1

    Affected Products

    Vendor
    Aws
    Product
    Amazon Bedrock Agentcore Harness

    Exploits

    https://github.com/huzjie/aegisagent

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High