CVE-2026-18830 (GCVE-0-2026-18830)
Vulnerability from cvelistv5
Published
2026-08-04 17:42
Modified
2026-08-04 18:52
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.6 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-1287 - Improper validation of specified type of input
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.
References
Impacted products
Vendor Product Version
AWS Amazon Bedrock AgentCore harness Version: N/A   <
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