CVE-2026-4295Arbitrary code execution via crafted project files in Kiro IDE
Updated under an hour ago ()
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It affects AWS Kiro IDE. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-829
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- AMZN
- NVD analysis
- Awaiting Analysis
- Record last updated
- Mar 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
AWS Kiro IDE aws:kiro_ide (from the name) | from 0.1.0 before 0.8.0 | CNA record |
References
- https://aws.amazon.com/security/security-bulletins/2026-009-AWS/vendor-advisory
- https://kiro.dev/changelog/ide/0-8/release-notes
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.