CVE-2026-56596
Received Received - Intake

Improper Input Validation in HCL BigFix Service Management

Publication date: 2026-10-06

Last updated on: 2026-10-06

Assigner: HCL Software

Description
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.

CVSS Scores

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Meta Information

Published
2026-10-06
Last Modified
2026-10-06
Generated
2026-10-06
AI Q&A
2026-10-06
EPSS Evaluated
N/A
NVD
CVE-2026-56596
EUVD
EUVD-2026-93373

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
HCL Software HCL BigFix Service Management Version 27

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

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Executive Summary

HCL BigFix Service Management has an Improper Input Validation vulnerability. This means the software does not properly check or sanitize user-supplied input, which could allow attackers to send malformed data. This may cause processing errors, bypass business logic controls, or trigger unintended application behavior.

Impact Analysis

An attacker could exploit this to manipulate data processing, leading to incorrect system behavior or unauthorized actions. While the CVSS score is low (3.5), it may still cause disruptions in service management tasks or allow limited unauthorized changes depending on the system configuration.

Compliance Impact

This vulnerability could potentially impact compliance by allowing unauthorized data modifications or processing errors, which may violate integrity requirements in GDPR or HIPAA. However, the low CVSS score suggests limited risk unless combined with other vulnerabilities.

Mitigation Strategies

Apply patches or updates provided by HCL for BigFix Service Management to address the improper input validation issue. Ensure input validation is enforced in all relevant components and review application logic for potential bypasses.

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