PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-11417 AWS CVE debrief

CVE-2026-11417 is a HIGH-severity vulnerability in the NodejsFunction local bundling pipeline of aws-cdk-lib. An actor who controls the value of one or more bundling properties (externalModules, define, loader, inject, or esbuildArgs) might execute arbitrary commands on the host running the CDK toolchain via injected shell metacharacters. This requires the threat actor to control the value of one or more of the affected bundling properties in the CDK application.

Vendor
AWS
Product
AWS Cloud Development Kit library
CVSS
HIGH 7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-10
Advisory published
2026-06-10
Advisory updated
2026-06-10

Who should care

Users of aws-cdk-lib before version 2.245.0 (2.246.0 on Windows) should be aware of this vulnerability and take steps to remediate.

Technical summary

The vulnerability exists in the NodejsFunction local bundling pipeline in aws-cdk-lib. Specifically, an actor who controls the value of one or more bundling properties (externalModules, define, loader, inject, or esbuildArgs) might be able to execute arbitrary commands on the host running the CDK toolchain via injected shell metacharacters.

Defensive priority

HIGH

Recommended defensive actions

  • Upgrade to aws-cdk-lib 2.245.0 (2.246.0 on Windows) or later.

Evidence notes

The CVE record and NVD detail can be found at [cve-org] and [nvd], respectively. Additional information is available at [ref-4], [ref-5], and [ref-6].

Official resources

CVE-2026-11417 was published on [cvePublishedAt] and last modified on [cveModifiedAt].