CVE-2026-18657
Executable Resolution from Untrusted Project Directory in Kiro CLI on Windows
- State
- Published
- Severity
- 8.5 High
- Published
- Aug 4, 2026
- Updated
- Aug 5, 2026
- Reserved
- Aug 3, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | 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 | AMZN |
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | AMZN |
Weaknesses
- CWE-427 Uncontrolled Search Path Element
Affected Products
| Product | Versions |
|---|---|
Kiro CLIAmazon |
|
References
- https://kiro.dev/changelog/cli/2-10/release-notespatch
- https://aws.amazon.com/security/security-bulletins/2026-074-aws/vendor-advisory
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