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AWS Security BulletinsCVE-2026-10591

CVE-2026-10591 - Kiro IDE Insufficient File Write Restrictions to Execution-Sensitive Paths

Bulletin ID: 2026-037-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 06/02/2026 08:45 AM PDT Description: Kiro is an agentic IDE users install on their desktop. We identified CVE-2026-10591. Insufficient access control restrictions in the file write tool in Kiro IDE prior to version 0.11 might allow remote unauthenticated actors to execute arbitrary commands via crafted instructions that cause writes to execution-sensitive paths (such as .vscode/tasks.json), enabling auto-execution on folder open. Impacted versions:

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CVE-2026-10591View CVSS, KEV, EPSS, and threat context
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