CVE-2026-4295 Arbitrary code execution via crafted project files in Kiro IDE
Remote attackers can execute arbitrary code by tricking users into opening malicious project files that bypass workspace trust protections in Kiro IDE.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-4295?
CVE-2026-4295 is a high-severity code injection vulnerability in AWS Kiro IDE, published on 17 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-829
Which versions are affected by CVE-2026-4295?
How do I fix CVE-2026-4295?
No fix has been published for CVE-2026-4295 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-4295 being exploited?
There is no known exploitation of CVE-2026-4295 in the wild and no public exploit code.
Sources
Also known as GHSA-qpcc-2ccj-gp68.