Improper trust boundary enforcement in Kiro IDE before version 0.8.0 on all supported platforms might allow a remote unauthenticated threat actor to execute arbitrary code via maliciously crafted project directory files that bypass workspace trust protections when a local user opens the directory.



To remediate this issue, users should upgrade to version 0.8.0 or higher.

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Fixes

Solution

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Workaround

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History

Wed, 18 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 18 Mar 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Aws
Aws kiro Ide
Vendors & Products Aws
Aws kiro Ide

Tue, 17 Mar 2026 19:30:00 +0000

Type Values Removed Values Added
Description Improper trust boundary enforcement in Kiro IDE before version 0.8.0 on all supported platforms might allow a remote unauthenticated threat actor to execute arbitrary code via maliciously crafted project directory files that bypass workspace trust protections when a local user opens the directory. To remediate this issue, users should upgrade to version 0.8.0 or higher.
Title Arbitrary code execution via crafted project files in Kiro IDE
Weaknesses CWE-829
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-03-18T14:07:58.063Z

Reserved: 2026-03-16T17:38:37.520Z

Link: CVE-2026-4295

cve-icon Vulnrichment

Updated: 2026-03-18T14:07:48.006Z

cve-icon NVD

Status : Received

Published: 2026-03-17T20:16:14.840

Modified: 2026-03-17T20:16:14.840

Link: CVE-2026-4295

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-18T10:42:54Z

Weaknesses