CVE-2026-21809: Hclsoftware Bigfix Quantum Risk Analyzer

Low severity, CVSS 3.9. EPSS: 0.1% chance of exploitation in the next 30 days.

HCL BigFix Quantum Risk Analyzer has a certain validation process that provides overly descriptive error messages when it encounters malformed input which can allow an attacker to conduct more efficient reconnaissance and fine-tune automated fuzzing tools to produce valid input.

Affected products

• Hclsoftware Bigfix Quantum Risk Analyzer: version 2.0.1.47 only

Published 2026-08-26. Last modified 2026-08-28.