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2 vulnerabilities found for Bedrock AgentCore Starter Toolkit by AWS

CVE-2026-4269 (GCVE-0-2026-4269)

Vulnerability from nvd – Published: 2026-03-16 18:03 – Updated: 2026-03-16 18:12
VLAI?
Title
Improper S3 ownership verification in Bedrock AgentCore Starter Toolkit
Summary
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.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
5.8 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
CWE
  • CWE-340 - Generation of Predictable Numbers or Identifiers
  • CWE-283 - Unverified Ownership
Assigner
References
Impacted products
Vendor Product Version
AWS Bedrock AgentCore Starter Toolkit Affected: 0.1.0 , < 0.1.13 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-4269 (GCVE-0-2026-4269)

Vulnerability from cvelistv5 – Published: 2026-03-16 18:03 – Updated: 2026-03-16 18:12
VLAI?
Title
Improper S3 ownership verification in Bedrock AgentCore Starter Toolkit
Summary
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.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
5.8 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
CWE
  • CWE-340 - Generation of Predictable Numbers or Identifiers
  • CWE-283 - Unverified Ownership
Assigner
References
Impacted products
Vendor Product Version
AWS Bedrock AgentCore Starter Toolkit Affected: 0.1.0 , < 0.1.13 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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