Vulnerability · Published Aug 26, 2026 · Assigned by HCL
CVE-2026-21809HCL BigFix Quantum Risk Analyzer is affected by generating error messages with sensitive information
Low 3.9
In plain English
A low-severity security flaw in BigFix Quantum Risk Analyzer from HCLSoftware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 3.1)3.9Low
Exploit odds (30 days)0.1%top 97.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HCLSoftware | BigFix Quantum Risk Analyzer | 2.0.1.47 |
Weakness: CWE-209 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L