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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].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11417 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11417

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11417 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11417

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://aws.amazon.com/security/security-bulletins/2026-041-aws/

    ff89ba41-3aa1-4d27-914a-91399e9639e5

  • Source reference

    Unverified legacy reference

    URL: https://github.com/aws/aws-cdk/releases/tag/v2.245.0

    ff89ba41-3aa1-4d27-914a-91399e9639e5

  • Source reference

    Unverified legacy reference

    URL: https://github.com/aws/aws-cdk/security/advisories/GHSA-999r-qq7v-r334

    ff89ba41-3aa1-4d27-914a-91399e9639e5

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.