---
id: CVE-2026-56596
title: >-
  HCL BigFix Service Management is affected by an Improper Input Validation
  vulnerability, which could allow an attacker to supply unexpected or malformed
  data, enabling processing errors, business logic bypasses, and unintended
  applicatio…
summary: >-
  HCL BigFix Service Management is affected by an Improper Input Validation
  vulnerability, which could allow an attacker to supply unexpected or malformed
  data, enabling processing errors, business logic bypasses, and unintended
  applicatio…
severity: low
cvss: 3.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-20
vendor: HCL Software
product: HCL BigFix Service Management
affected:
  - hcl_bigfix_service_management Version 27
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T16:00:36.547'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-56596'
references:
  - url: >-
      https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134015
    label: psirt@hcl.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-06T12:47:29.783249Z'
ingestedAt: '2026-10-06T12:59:11.018Z'
---

## Overview

HCL BigFix Service Management is affected by an Improper Input Validation vulnerability, which could allow an attacker to supply unexpected or malformed data, enabling processing errors, business logic bypasses, and unintended application behavior.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.