Vulnerability · Published Aug 4, 2026 · Assigned by AMZN

CVE-2026-18656Executable Resolution from Untrusted Project Directory in Kiro IDE on Windows

High 7.8

In plain English

A high-severity uncontrolled search path in Kiro IDE from Amazon. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.2%top 86.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

An uncontrolled search path element in Kiro IDE before version 1.0.228 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 opens the directory. To remediate this issue, users should upgrade to version 1.0.228 or higher.

Affected products (as reported)

Vendor	Product	Versions
Amazon	Kiro IDE	1.0.0 – through 1.0.212

Weakness: CWE-427 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://kiro.dev/changelog/ide/1-0/#patch-1-0-228 release-notes, patch
https://aws.amazon.com/security/security-bulletins/2026-074-aws/ vendor-advisory