CVE-2026-16520

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).

CVSS

No CVSS.

References

Link	Resource
https://docs.genians.com/release/ko/advisories/GN-SA-2026-003.html
https://github.com/genians/security-research/security/advisories/GHSA-f6f5-wx2h-ccfw

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-21 00:16

Updated : 2026-09-03 16:59

NVD link : CVE-2026-16520

Mitre link : CVE-2026-16520

CVE.ORG link : CVE-2026-16520

JSON object : View

Products Affected

No product.

CWE

CWE-20

Improper Input Validation

CWE-202

Exposure of Sensitive Information Through Data Queries

{"id": "CVE-2026-16520", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16520", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-21T19:49:05.287506Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "09832df1-09c1-45b4-8a85-16c601d30feb", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "09832df1-09c1-45b4-8a85-16c601d30feb", "affectedData": [{"vendor": "Genians", "product": "Genian NAC V4.0", "versions": [{"status": "affected", "version": "4.0.0", "lessThan": "4.0.175(Revision 150340)", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Genians", "product": "Genian NAC V5.0", "versions": [{"status": "affected", "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"}], "defaultStatus": "unaffected"}, {"vendor": "Genians", "product": "Genian ZTNA V6.0", "versions": [{"status": "affected", "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"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-21T00:16:31.623", "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"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "09832df1-09c1-45b4-8a85-16c601d30feb", "description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-202"}]}], "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)."}], "lastModified": "2026-09-03T16:59:26.287", "sourceIdentifier": "09832df1-09c1-45b4-8a85-16c601d30feb"}