CVE-2026-107608 Improper link resolution in asset bundling output handling in aws-cdk-lib

Medium 6.8 Published Updated

An attacker can exploit improper link resolution to publish sensitive host files as deployed assets, requiring an upgrade to the AWS CDK library.

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-2026-107608?

CVE-2026-107608 is a medium-severity path traversal vulnerability in aws-cdk-lib, published on 8 Oct 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 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.

Weakness: CWE-59

Which versions are affected by CVE-2026-107608?

How do I fix CVE-2026-107608?

No fix has been published for CVE-2026-107608 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-107608 being exploited?

There is no known exploitation of CVE-2026-107608 in the wild and no public exploit code.

Sources

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