CVE-2026-18657

EUVD-2026-52914
An uncontrolled search path element in Kiro CLI before version 2.10.0 on Windows might allow a remote unauthenticated actor to execute arbitrary code via a maliciously crafted project directory containing an executable that bypasses workspace trust protections when a local user starts Kiro CLI in the directory.



To remediate this issue, users should upgrade to version 2.10.0 or higher.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
AMZNCNA
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
amazonkiro_cli
𝑥
< 2.10.0
CNA
Common Weakness Enumeration
References
https://aws.amazon.com/security/security-bulletins/2026-074-aws/
https://kiro.dev/changelog/cli/2-10/