CVE-2026-4295
Bulletin ID: 2026-009-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 2026/03/17 12:15 PM PDT Description: Kiro is an AI-powered IDE for agentic software development. We identified CVE-2026-4295, where improper trust boundary enforcement allowed arbitrary code execution when a user opened a maliciously crafted project directory. Impacted versions: < 0.8.0 Please refer to the article below for the most up-to-date and complete information related to this AWS Security Bulletin.
CSIRTS triage
- What
- Improper trust boundary enforcement allows arbitrary code execution when a user opens a maliciously crafted project directory.
- Who is affected
- Users of Kiro IDE versions before 0.8.0.
- Urgency
- Remediation is urgent due to the risk of arbitrary code execution.
- Action
- Upgrade to Kiro IDE version 0.8.0 or later.
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Exploitation outlook
- Low exploitation risk0.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.
Advisory coverage (1)
- unknownArbitrary code execution via crafted project files in Kiro IDEaws · 2026-06-05
External references
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[](https://www.csirts.com/cve/CVE-2026-4295)