CVE-2026-107608

Medium

Description

Improper link resolution before file access in the asset bundling output handling in AWS aws-cdk-lib before 2.267.0 might allow a context-dependent actor to cause files from the build host to be published as the deployed asset. To remediate this issue, users should upgrade to version 2.267.0 or later.

SeverityMedium

CVSS5.5

Exploit probability—

ProductAws-cdk-lib

PublishedOct 8, 2026

First seenOct 8, 2026

Weakness typeCWE-59Improper link resolution

How to fix

Update

AWS aws-cdk-lib2.267.0 or later

Patches

github.com/aws/aws-cdk/releases/tag/v2.267.0

Vendor advisories

aws.amazon.com/security/security-bulletins/2026-131-aws/

Affected products

Product	Affected versions	Fixed in
AWS aws-cdk-lib	v < 2.267.0	2.267.0

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