CVE-2026-21809
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.
- Published Aug 26, 2026
- CVSS 3.9 low
- 0.1% chance of exploitation in the next 30 days (EPSS)