CVE-2026-88773

{"id": "CVE-2026-88773", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-88773", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-29T15:17:32.077580Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/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": "HIGH", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "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": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "affectedData": [{"vendor": "Citrix NetScaler", "product": "ADC", "versions": [{"status": "affected", "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 and NDcPP", "versionType": "Patch"}], "defaultStatus": "unaffected"}, {"vendor": "Citrix NetScaler", "product": "Gateway", "versions": [{"status": "affected", "version": "0", "lessThan": "14.1-73.37 FIPS", "versionType": "Patch"}, {"status": "affected", "version": "0", "lessThan": "13.1-64.23", "versionType": "Patch"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-27T17:16:56.507", "references": [{"url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096", "tags": ["Vendor Advisory"], "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "description": [{"lang": "en", "value": "CWE-444"}]}], "descriptions": [{"lang": "en", "value": "Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') 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 and NDcPP; Gateway: before 14.1-73.37 FIPS and before 13.1-64.23."}, {"lang": "es", "value": "Vulnerabilidad de interpretaci\u00f3n inconsistente de solicitudes HTTP ('contrabando de solicitudes/respuestas HTTP') en Citrix NetScaler ADC y Citrix NetScaler Gateway.\n\nEste problema afecta a ADC: antes de 14.1-73.37, antes de 13.1-64.23, antes de 14.1-73.37 FIPS, y antes de 13.1-37.279 y NDcPP; Gateway: antes de 14.1-73.37 FIPS y antes de 13.1-64.23."}], "lastModified": "2026-09-29T16:17:13.370", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "6BC2D462-9ABE-4024-8E46-8D265C0B19FB", "versionEndExcluding": "13.1-64.23", "versionStartIncluding": "13.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*", "vulnerable": true, "matchCriteriaId": "2DB314FE-3886-4ABD-A820-B8A70EBB23A6", "versionEndExcluding": "13.1.37.279", "versionStartIncluding": "13.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*", "vulnerable": true, "matchCriteriaId": "FCFFA1B3-87CE-4CC8-990E-D3CE0B55CD45", "versionEndExcluding": "13.1.37.279", "versionStartIncluding": "13.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "1CA9588A-E3EB-44FC-9515-6EB89BB8C1D6", "versionEndExcluding": "14.1-73.37", "versionStartIncluding": "14.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*", "vulnerable": true, "matchCriteriaId": "046FF602-D956-4961-89BF-2041A3590004", "versionEndIncluding": "14.1-73.37", "versionStartIncluding": "14.1-66.68"}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3286D2C3-EA7E-4D9C-95DE-05D462DC8B1B", "versionEndExcluding": "13.1-64.23", "versionStartIncluding": "13.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C77243A7-1FDB-4557-88BE-EDF3BAA56A81", "versionEndExcluding": "14.1-73.37", "versionStartIncluding": "14.1"}], "operator": "OR"}]}], "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"}