{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19489", "assignerOrgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "state": "PUBLISHED", "assignerShortName": "NetScaler", "dateReserved": "2026-08-10T17:39:54.968Z", "datePublished": "2026-08-19T12:45:16.660Z", "dateUpdated": "2026-08-20T13:36:36.529Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "shortName": "NetScaler", "dateUpdated": "2026-08-19T12:45:16.660Z"}, "affected": [{"vendor": "NetScaler", "product": "ADC", "versions": [{"status": "affected", "version": "14.1", "lessThanOrEqual": "73.32", "versionType": "patch"}, {"status": "affected", "version": "13.1", "lessThanOrEqual": "63.21", "versionType": "patch"}], "defaultStatus": "unaffected"}, {"vendor": "NetScaler", "product": "Gateway", "versions": [{"status": "affected", "version": "14.1", "lessThanOrEqual": "73.32", "versionType": "patch"}, {"status": "affected", "version": "13.1", "lessThanOrEqual": "63.21", "versionType": "patch"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.<p>This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.</p>"}]}], "references": [{"url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "LOW", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-20T13:36:23.963103Z", "id": "CVE-2026-19489", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-20T13:36:36.529Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"cna": {"source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.8, "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:L/VI:L/VA:H/SC:N/SI:N/SA:L", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "NetScaler", "product": "ADC", "versions": [{"status": "affected", "version": "14.1", "versionType": "patch", "lessThanOrEqual": "73.32"}, {"status": "affected", "version": "13.1", "versionType": "patch", "lessThanOrEqual": "63.21"}], "defaultStatus": "unaffected"}, {"vendor": "NetScaler", "product": "Gateway", "versions": [{"status": "affected", "version": "14.1", "versionType": "patch", "lessThanOrEqual": "73.32"}, {"status": "affected", "version": "13.1", "versionType": "patch", "lessThanOrEqual": "63.21"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939"}], "x_generator": {"engine": "Vulnogram 1.0.4"}, "descriptions": [{"lang": "en", "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.", "supportingMedia": [{"type": "text/html", "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.<p>This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.</p>", "base64": false}]}], "providerMetadata": {"orgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "shortName": "NetScaler", "dateUpdated": "2026-08-19T12:45:16.660Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-19489", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-20T13:36:23.963103Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-08-20T13:36:33.695Z"}}]}, "cveMetadata": {"cveId": "CVE-2026-19489", "state": "PUBLISHED", "dateUpdated": "2026-08-19T12:45:16.660Z", "dateReserved": "2026-08-10T17:39:54.968Z", "assignerOrgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "datePublished": "2026-08-19T12:45:16.660Z", "assignerShortName": "NetScaler"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "ADC", "vendor": "NetScaler", "versions": [{"lessThanOrEqual": "73.32", "status": "affected", "version": "14.1", "versionType": "patch"}, {"lessThanOrEqual": "63.21", "status": "affected", "version": "13.1", "versionType": "patch"}]}, {"defaultStatus": "unaffected", "product": "Gateway", "vendor": "NetScaler", "versions": [{"lessThanOrEqual": "73.32", "status": "affected", "version": "14.1", "versionType": "patch"}, {"lessThanOrEqual": "63.21", "status": "affected", "version": "13.1", "versionType": "patch"}]}], "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21."}], "id": "CVE-2026-19489", "lastModified": "2026-08-20T14:17:10.540", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19489", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-20T13:36:23.963103Z", "version": "2.0.3"}}]}, "published": "2026-08-19T13:17:44.870", "references": [{"source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939"}], "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[14.1,73.32]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[13.1,63.21]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ADC", "source": "cna", "vendor": "NetScaler"}, "product": "adc", "vendor": "netscaler"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[14.1,73.32]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[13.1,63.21]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Gateway", "source": "cna", "vendor": "NetScaler"}, "product": "gateway", "vendor": "netscaler"}], "created": "2026-08-19T15:00:05.261598+00:00", "title": "High\u2011Severity Vulnerability in Citrix NetScaler ADC and Gateway", "updated": "2026-08-20T08:30:04.378603+00:00", "vendors": ["netscaler", "netscaler$PRODUCT$adc", "netscaler$PRODUCT$gateway"], "weaknesses": ["CWE-284"]}