What is CVE-2026-4295?

CVE-2026-4295 is a high-severity vulnerability in Aws Kiro Ide, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.8/10. Published 2026-03-17.

How severe is CVE-2026-4295?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Aws Kiro Ide

CVE-2026-4295

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 workspa…

EPSS: 0.000 (8.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Aws Kiro Ide — versions 0.1.0

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

aws.amazon.com/security/security-bulletins/2026-009-AWS/ (vendor-advisory)
kiro.dev/changelog/ide/0-8/ (release-notes)

Frequently asked questions

What is CVE-2026-4295?: CVE-2026-4295 is a high-severity vulnerability in Aws Kiro Ide, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.8/10. Published 2026-03-17.
How severe is CVE-2026-4295?: High severity. CVSS v3 base score is 7.8 out of 10.