---
id: "CVE-2026-67074"
kind: "vulnerability"
aliases: ["CVE-2026-67074"]
title: "HCL BigFix AEX: remote code execution lets attackers run code"
severity: "critical"
cvss: 9.1
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "BigFix AEX", "fixed": ["v14.0.0"], "affected": "v13.0.0.1", "ecosystem": "vendor"}]
ecosystems: []
tags: ["authenticated", "bigfix", "bigfix-aex", "hcl", "other", "rce", "self-hosted"]
not_affected_if: ["not-running-bigfix-aex", "version-14.0.0-or-later"]
published_at: "2026-10-28T13:17:08+00:00"
first_seen_at: "2026-10-28T13:33:01+00:00"
updated_at: "2026-10-28T13:34:55+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-67074", "first_seen_at": "2026-10-28T13:33:01+00:00"}, {"source": "analyst", "url": null, "first_seen_at": "2026-10-28T13:34:55+00:00"}]
---

# HCL BigFix AEX: remote code execution lets attackers run code

HCL BigFix AEX v13.0.0.1 has a remote code execution flaw (CVSS 9.1). It is reachable over the network but needs a high-privilege account. Code runs with the privileges of the AEX application or service. HCL fixed it in v14.0.0. No exploitation reported.

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

## Affected

- vendor:BigFix AEX affected v13.0.0.1 fixed v14.0.0

## How to check

Check your BigFix AEX version in the admin console or deployment. v13.0.0.1 is listed as affected. Move to v14.0.0.

## Fix

Upgrade BigFix AEX to v14.0.0 (HCL: upgrading older versions to v14.0.0 fixes it; HCL's AEX support team assists).

## Timeline

- 2026-10-28T13:33:01+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-67074
- 2026-10-28T13:34:55+00:00 analyst — HCL bulletin KB0134281 (28 Oct 2026, read via browser): affects BigFix AEX v13.0.0.1, fixed in v14.0.0. CVSS 9.1 AV:N/PR:H (needs high-privilege account, scope changed). No exploitation or PoC found; bulletin gives no technical detail, workaround or mitigation. Sibling CVE-2026-67073 is in the same bulletin.

## Documents

- [advisory] HCL Security Bulletin: BigFix AEX is affected by multiple security vulnerabilities (KB0134281) https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134281

## From the sources

HCL BigFix AEX is affected by a Remote Code Execution Vulnerability . It may allow attackers to execute code with the privileges of the affected application or service, potentially leading to unauthorized access, data exposure, or system compromise.

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