VULNERABILITY INTELLIGENCE

CVE-2026-18830

CVSS score8.1 HIGH
EPSS probability0.51%
CISA KEVNot currently listed
Published2026-08-04
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

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.

Weakness classification

  • ff89ba41-3aa1-4d27-914a-91399e9639e5: CWE-1287

Primary references