Vulnerability · Published Oct 8, 2026 · Assigned by AMZN
CVE-2026-107608Improper link resolution in asset bundling output handling in aws-cdk-lib
Medium 5.5
In plain English
A medium-severity security flaw in aws-cdk-lib from AWS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 96.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AWS | aws-cdk-lib | 0 – before 2.267.0 |
Weakness: CWE-59 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
References
- https://github.com/aws/aws-cdk/releases/tag/v2.267.0 patch, release-notes
- https://aws.amazon.com/security/security-bulletins/2026-131-aws/ vendor-advisory