CVE-2026-11417

High

Description

OS command injection in the NodejsFunction local bundling pipeline in aws-cdk-lib before 2.245.0 (2.246.0 on Windows) might allow an actor who controls the value of one or more bundling properties (externalModules, define, loader, inject, or esbuildArgs) to execute arbitrary commands on the host running the CDK toolchain via injected shell metacharacters. This issue requires the threat actor to control the value of one or more of the affected bundling properties in the CDK application. To remediate this issue, users should upgrade to aws-cdk-lib 2.245.0 (2.246.0 on Windows) or later.

SeverityHigh

CVSS7.3

Exploit probability—

ProductAws-cdk-lib

PublishedJun 10, 2026

First seenJun 10, 2026

Weakness typeCWE-78OS command injection

How to fix

Update

aws-cdk-lib2.246.0 or later

Patches

github.com/aws/aws-cdk/releases/tag/v2.245.0

Vendor advisories

aws.amazon.com/security/security-bulletins/2026-041-aws/

Affected products

Product	Affected versions	Fixed in
aws-cdk-libnpm	v < 2.246.0	2.246.0

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