CVE-2026-21809lowCWE-209

CVE-2026-21809: low-severity vulnerability in HCLSoftware BigFix Quantum Risk Analyzer

HCL BigFix Quantum Risk Analyzer is affected by generating error messages with sensitive information

Published · Updated

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

8Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 3.9epss 0.1%
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.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L