CVE-2026-10591: CWE-732: Incorrect Permission Assignment for Critical Resource in AWS Kiro IDE
CVE-2026-10591 is a high-severity vulnerability in AWS Kiro IDE versions prior to 0.11. It involves insufficient access control in the file write tool, allowing remote unauthenticated actors to write to execution-sensitive paths like . vscode/tasks.json. This can enable arbitrary command execution when a folder is opened. AWS manages remediation for this cloud service and advises upgrading to version 0.11 or later to address the issue.
AI Analysis
Technical Summary
The vulnerability CVE-2026-10591 in AWS Kiro IDE before version 0.11 is due to incorrect permission assignment (CWE-732) in the file write tool. This flaw permits remote unauthenticated attackers to execute arbitrary commands by crafting instructions that write to execution-sensitive files, such as .vscode/tasks.json, which are auto-executed upon folder opening. The CVSS 3.1 score is 8.8, reflecting high impact on confidentiality, integrity, and availability. AWS provides a fix in version 0.11 and manages remediation for this cloud-hosted service.
Potential Impact
Exploitation of this vulnerability allows remote unauthenticated actors to execute arbitrary commands on the affected environment by writing to files that are automatically executed when a folder is opened. This impacts confidentiality, integrity, and availability of the system. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
AWS manages remediation for this cloud-hosted service. Users should ensure they are using Kiro IDE version 0.11 or later, as this version includes the fix for the vulnerability. Check the AWS security advisory at https://aws.amazon.com/security/security-bulletins/2026-037-aws/ for the latest remediation guidance.
CVE-2026-10591: CWE-732: Incorrect Permission Assignment for Critical Resource in AWS Kiro IDE
Description
CVE-2026-10591 is a high-severity vulnerability in AWS Kiro IDE versions prior to 0.11. It involves insufficient access control in the file write tool, allowing remote unauthenticated actors to write to execution-sensitive paths like . vscode/tasks.json. This can enable arbitrary command execution when a folder is opened. AWS manages remediation for this cloud service and advises upgrading to version 0.11 or later to address the issue.
CVSS v3.1
Score 8.8high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-10591 in AWS Kiro IDE before version 0.11 is due to incorrect permission assignment (CWE-732) in the file write tool. This flaw permits remote unauthenticated attackers to execute arbitrary commands by crafting instructions that write to execution-sensitive files, such as .vscode/tasks.json, which are auto-executed upon folder opening. The CVSS 3.1 score is 8.8, reflecting high impact on confidentiality, integrity, and availability. AWS provides a fix in version 0.11 and manages remediation for this cloud-hosted service.
Potential Impact
Exploitation of this vulnerability allows remote unauthenticated actors to execute arbitrary commands on the affected environment by writing to files that are automatically executed when a folder is opened. This impacts confidentiality, integrity, and availability of the system. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
AWS manages remediation for this cloud-hosted service. Users should ensure they are using Kiro IDE version 0.11 or later, as this version includes the fix for the vulnerability. Check the AWS security advisory at https://aws.amazon.com/security/security-bulletins/2026-037-aws/ for the latest remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- AMZN
- Date Reserved
- 2026-06-01T20:46:32.966Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://aws.amazon.com/security/security-bulletins/2026-037-aws/","vendor":"AWS"}]
Threat ID: 6a1efb62e29bf47b50db3482
Added to database: 06/02/2026, 15:48:50 UTC
Last enriched: 06/10/2026, 16:53:01 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 121
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