CVE-2026-4269

HIGH

7.5

Descricao

A missing S3 ownership verification in the Bedrock AgentCore Starter Toolkit before version v0.1.13 may allow a remote actor to inject code during the build process, leading to code execution in the AgentCore Runtime. This issue only affects users of the Bedrock AgentCore Starter Toolkit before version v0.1.13 who build or have built the Toolkit after September 24, 2025. Any users on a version >=v0.1.13, and any users on previous versions who built the toolkit before September 24, 2025 are not affected. To remediate this issue, customers should upgrade to version v0.1.13.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado3/16/2026

Ultima modificacao3/17/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-283CWE-340

Referencias

https://aws.amazon.com/security/security-bulletins/2026-008-AWS/(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/aws/bedrock-agentcore-starter-toolkit/releases/tag/v0.1.13(ff89ba41-3aa1-4d27-914a-91399e9639e5)

Correlacoes IOC

Sem correlacoes registradas

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