← Back to CVE Explorer

CVE-2026-16520

Full vulnerability record from the local CVENow database.

Description

Improper input validation and Exposure of sensitive information through data queries vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, and Genians Genian ZTNA V6.0 allows SQL Injection and Authentication Bypass. This issue affects Genian NAC V4.0: from 4.0.0 before 4.0.175(Revision 150340); Genian NAC V5.0: from 5.0.0 before 5.0.65 LTS(Revision 150331), from 5.0.0 before 5.0.75 LTS(Revision 150330), from 5.0.0 before 5.0.87 Release Stable(Revision 150329), and from 5.0.0 before 5.0.88(Revision 150328); Genian ZTNA V6.0: from 6.0.0 before 6.0.26 LTS(Revision 150337), from 6.0.0 before 6.0.35 LTS(Revision 150336), from 6.0.0 before 6.0.47 Release Stable(Revision 150334), and from 6.0.0 before 6.0.48(Revision 150333).

Severity
HIGH
CVSS score
8.7 (v4.0)
Vulnerability status
Deferred
Source identifier
09832df1-09c1-45b4-8a85-16c601d30feb
Published
2026-08-21 00:16:31.623000
Last modified
2026-10-26 10:10:00.140000
View original CVE JSON 
{
  "id": "CVE-2026-16520",
  "sourceIdentifier": "09832df1-09c1-45b4-8a85-16c601d30feb",
  "published": "2026-08-21T00:16:31.623",
  "lastModified": "2026-10-26T10:10:00.140",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper input validation and Exposure of sensitive information through data queries vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, and Genians Genian ZTNA V6.0 allows SQL Injection and Authentication Bypass.\n\nThis issue affects Genian NAC V4.0: from 4.0.0 before 4.0.175(Revision 150340); \nGenian NAC V5.0: from 5.0.0 before 5.0.65 LTS(Revision 150331), from 5.0.0 before 5.0.75 LTS(Revision 150330), from 5.0.0 before 5.0.87 Release Stable(Revision 150329), and from 5.0.0 before 5.0.88(Revision 150328); \nGenian ZTNA V6.0: from 6.0.0 before 6.0.26 LTS(Revision 150337), from 6.0.0 before 6.0.35 LTS(Revision 150336), from 6.0.0 before 6.0.47 Release Stable(Revision 150334), and from 6.0.0 before 6.0.48(Revision 150333)."
    },
    {
      "lang": "es",
      "value": "Una validación de entrada incorrecta y una vulnerabilidad de exposición de información sensible a través de consultas de datos en Genians Genian NAC V4.0, Genians Genian NAC V5.0 y Genians Genian ZTNA V6.0 permiten inyección SQL y omisión de autenticación.\n\nEste problema afecta a Genian NAC V4.0: desde 4.0.0 antes de 4.0.175(Revisión 150340);\nGenian NAC V5.0: desde 5.0.0 antes de 5.0.65 LTS(Revisión 150331), desde 5.0.0 antes de 5.0.75 LTS(Revisión 150330), desde 5.0.0 antes de 5.0.87 Release Stable(Revisión 150329), y desde 5.0.0 antes de 5.0.88(Revisión 150328);\nGenian ZTNA V6.0: desde 6.0.0 antes de 6.0.26 LTS(Revisión 150337), desde 6.0.0 antes de 6.0.35 LTS(Revisión 150336), desde 6.0.0 antes de 6.0.47 Release Stable(Revisión 150334), y desde 6.0.0 antes de 6.0.48(Revisión 150333)."
    }
  ],
  "affected": [
    {
      "source": "09832df1-09c1-45b4-8a85-16c601d30feb",
      "affectedData": [
        {
          "vendor": "Genians",
          "product": "Genian NAC V4.0",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.0.0",
              "lessThan": "4.0.175(Revision 150340)",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Genians",
          "product": "Genian NAC V5.0",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5.0.0",
              "lessThan": "5.0.65 LTS(Revision 150331)",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "5.0.0",
              "lessThan": "5.0.75 LTS(Revision 150330)",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "5.0.0",
              "lessThan": "5.0.87 Release Stable(Revision 150329)",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "5.0.0",
              "lessThan": "5.0.88(Revision 150328)",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Genians",
          "product": "Genian ZTNA V6.0",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6.0.0",
              "lessThan": "6.0.26 LTS(Revision 150337)",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "6.0.0",
              "lessThan": "6.0.35 LTS(Revision 150336)",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "6.0.0",
              "lessThan": "6.0.47 Release Stable(Revision 150334)",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "6.0.0",
              "lessThan": "6.0.48(Revision 150333)",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "09832df1-09c1-45b4-8a85-16c601d30feb",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-21T19:49:05.287506Z",
          "id": "CVE-2026-16520",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "09832df1-09c1-45b4-8a85-16c601d30feb",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-202"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://docs.genians.com/release/ko/advisories/GN-SA-2026-003.html",
      "source": "09832df1-09c1-45b4-8a85-16c601d30feb"
    },
    {
      "url": "https://github.com/genians/security-research/security/advisories/GHSA-f6f5-wx2h-ccfw",
      "source": "09832df1-09c1-45b4-8a85-16c601d30feb"
    }
  ]
}