{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-10-02T03:05:52.019","vulnerabilities":[{"cve":{"id":"CVE-2026-88771","sourceIdentifier":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","published":"2026-09-27T17:16:56.260","lastModified":"2026-09-29T04:18:01.603","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to an unauthenticated attacker to execute arbitrary commands."},{"lang":"es","value":"Vulnerabilidad de validación de entrada inadecuada en Citrix NetScaler ADC y Citrix NetScaler Gateway.\n\nEste problema afecta a ADC en versiones anteriores a 14.1-73.37, 13.1-64.23, 14.1-73.37 FIPS, y 13.1.37.279 FIPS y NDcPP; y a Gateway en versiones anteriores a 14.1-73.37 y 13.1-64.23, lo que permite a un atacante no autenticado ejecutar comandos arbitrarios."}],"affected":[{"source":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","affectedData":[{"vendor":"Citrix NetScaler","product":"ADC","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"14.1-73.37","versionType":"patch","status":"affected"},{"version":"0","lessThan":"13.1-64.23","versionType":"patch","status":"affected"},{"version":"0","lessThan":"14.1-73.37 FIPS","versionType":"patch","status":"affected"},{"version":"0","lessThan":"13.1.37.279 FIPS and NDcPP","versionType":"patch","status":"affected"}]},{"vendor":"Citrix NetScaler","product":"Gateway","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"14.1-73.37","versionType":"patch","status":"affected"},{"version":"0","lessThan":"13.1-64.23","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:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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":9.5,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","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":"2026-09-27T00:00:00+00:00","id":"CVE-2026-88771","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"cisaExploitAdd":"2026-09-27","cisaActionDue":"2026-09-30","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 Improper Input Validation Vulnerability","weaknesses":[{"source":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*","versionStartIncluding":"13.1","versionEndExcluding":"13.1-64.23","matchCriteriaId":"6BC2D462-9ABE-4024-8E46-8D265C0B19FB"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*","versionStartIncluding":"13.1","versionEndExcluding":"13.1.37.279","matchCriteriaId":"2DB314FE-3886-4ABD-A820-B8A70EBB23A6"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*","versionStartIncluding":"13.1","versionEndExcluding":"13.1.37.279","matchCriteriaId":"FCFFA1B3-87CE-4CC8-990E-D3CE0B55CD45"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*","versionStartIncluding":"14.1","versionEndExcluding":"14.1-73.37","matchCriteriaId":"1CA9588A-E3EB-44FC-9515-6EB89BB8C1D6"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*","versionStartIncluding":"14.1-66.68","versionEndIncluding":"14.1-73.37","matchCriteriaId":"046FF602-D956-4961-89BF-2041A3590004"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*","versionStartIncluding":"13.1","versionEndExcluding":"13.1-64.23","matchCriteriaId":"3286D2C3-EA7E-4D9C-95DE-05D462DC8B1B"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*","versionStartIncluding":"14.1","versionEndExcluding":"14.1-73.37","matchCriteriaId":"C77243A7-1FDB-4557-88BE-EDF3BAA56A81"}]}]}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096","source":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88771","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["US Government Resource"]}]}}]}