---
id: "CVE-2026-21830"
kind: "vulnerability"
aliases: ["CVE-2026-21830"]
title: "HCL BigFix AEX: aws-sdk flaw may send AWS requests to wrong endpoints"
severity: "low"
cvss: 3.7
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["aex", "aws", "bigfix", "self-hosted", "vendor"]
not_affected_if: ["no-bigfix-aex"]
published_at: "2026-10-28T13:17:07+00:00"
first_seen_at: "2026-10-28T13:33:01+00:00"
updated_at: "2026-10-28T13:34:26+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21830", "first_seen_at": "2026-10-28T13:33:01+00:00"}]
---

# HCL BigFix AEX: aws-sdk flaw may send AWS requests to wrong endpoints

HCL BigFix AEX ships a bundled aws-sdk package with a flaw that can cause AWS API requests to be sent to unintended or non-AWS endpoints. An attacker who can influence endpoint routing could receive request data, such as credentials or payloads, meant for AWS.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Confirm whether BigFix AEX is installed in your environment and note its version.
- Check the vendor advisory for the affected BigFix AEX versions: unknown
- Review AEX configuration for custom AWS endpoint or proxy settings: unknown

## Fix

- Apply the HCL BigFix AEX update that addresses the aws-sdk issue: unknown
- Check the vendor advisory for the fixed version: unknown

## Timeline

- 2026-10-28T13:33:01+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-21830

## From the sources

HCL BigFix AEX product is affected by a vulnerability in the aws-sdk package.. It may cause AWS API requests to be sent to unintended or non‐AWS endpoints.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_