{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-27T17:35:15.141","vulnerabilities":[{"cve":{"id":"CVE-2026-19490","sourceIdentifier":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","published":"2026-08-19T13:17:45.000","lastModified":"2026-09-10T12:48:10.453","vulnStatus":"Analyzed","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."}],"affected":[{"source":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","affectedData":[{"vendor":"NetScaler","product":"ADC","defaultStatus":"unaffected","versions":[{"version":"14.1","lessThanOrEqual":"73.32","versionType":"patch","status":"affected"},{"version":"13.1","lessThanOrEqual":"63.21","versionType":"patch","status":"affected"}]},{"vendor":"NetScaler","product":"Gateway","defaultStatus":"unaffected","versions":[{"version":"14.1","lessThanOrEqual":"73.32","versionType":"patch","status":"affected"},{"version":"13.1","lessThanOrEqual":"63.21","versionType":"patch","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/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","baseScore":9.3,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"LOW","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"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-19T00:00:00+00:00","id":"CVE-2026-19490","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"cisaExploitAdd":"2026-09-09","cisaActionDue":"2026-09-12","cisaRequiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","cisaVulnerabilityName":"Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability","weaknesses":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-288"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*","versionStartIncluding":"13.1","versionEndExcluding":"13.1-37.277","matchCriteriaId":"2F90F173-E24C-4189-87FF-2157DBBECE4A"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*","versionStartIncluding":"13.1","versionEndExcluding":"13.1-37.277","matchCriteriaId":"2CD7AEA1-F0D9-47E9-A4BF-6E72E2083934"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*","versionStartIncluding":"13.1","versionEndExcluding":"13.1-63.21","matchCriteriaId":"07826E3F-A0BA-42DB-97DD-677E2F1E99B8"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*","versionStartIncluding":"14.1","versionEndExcluding":"14.1-73.32","matchCriteriaId":"12664220-1266-43A3-A5B9-011E06C56A3E"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*","versionStartIncluding":"14.1-66.68","versionEndIncluding":"14.1-73.32","matchCriteriaId":"98857F06-6895-4454-A52D-E200D2109B19"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*","versionStartIncluding":"13.1","versionEndExcluding":"13.1-63.21","matchCriteriaId":"0ACEC99D-8145-45D4-BFCC-ADC11999D2CF"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*","versionStartIncluding":"14.1","versionEndExcluding":"14.1-73.32","matchCriteriaId":"45606A9C-06AF-4A4B-80B4-CB1A29230C85"}]}]}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939","source":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-19490","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["US Government Resource"]}]}}]}