{"apiVersion":"1.0","identifier":"CVE-2026-21809","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.","publishedAt":"2026-08-26T22:16:23","lastModifiedAt":"2026-08-28T16:06:43","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-21809","cvssScore":3.9,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","epssProbability":0.00091,"riskScore":0.39,"affectedProduct":"HCL BigFix Quantum Risk Analyzer","affectedVersions":"unknown","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-21809","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-21809","en":"https://www.redsauce.net/en/cves/CVE-2026-21809","fr":"https://www.redsauce.net/fr/cves/CVE-2026-21809","pt":"https://www.redsauce.net/pt/cves/CVE-2026-21809","de":"https://www.redsauce.net/de/cves/CVE-2026-21809","sk":"https://www.redsauce.net/sk/cves/CVE-2026-21809","el":"https://www.redsauce.net/el/cves/CVE-2026-21809"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-21809"}}