{"schema_version":"1","data":[{"id":3410,"advisory_id":"24aa5d17-c4b0-4841-8211-a1593c23b7df","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-88771","source_published_at":"2026-09-27T16:02:07.001+00:00","published_at":"2026-10-24T21:34:22.992343+00:00","extraction_method":"structured","technologies":["adc","core-cve","gateway"],"cve_ids":["CVE-2026-88771"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands","summary":"Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This 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.","evidence":"cve:CVE-2026-88771","products":[{"name":{"value":"ADC","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"Gateway","evidence":"/containers/cna/affected/1/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"critical","structured":{"id":"CVE-2026-88771","aliases":["CVE-2026-88771"],"metrics":[{"format":"CVSS","cvssV4_0":{"Safety":"NOT_DEFINED","version":"4.0","Recovery":"NOT_DEFINED","baseScore":9.5,"Automatable":"NOT_DEFINED","attackVector":"NETWORK","baseSeverity":"CRITICAL","valueDensity":"NOT_DEFINED","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","exploitMaturity":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","subIntegrityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"affected":[{"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 FIPS and NDcPP","versionType":"patch"}],"defaultStatus":"unaffected"},{"vendor":"Citrix NetScaler","product":"Gateway","versions":[{"status":"affected","version":"0","lessThan":"14.1-73.37","versionType":"patch"},{"status":"affected","version":"0","lessThan":"13.1-64.23","versionType":"patch"}],"defaultStatus":"unaffected"}],"modified":"2026-09-29T03:55:15.090Z","provider":"cve","references":["https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-88771","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-27T00:00:00+00:00"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-09-27","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88771"}}}],"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88771","tags":["government-resource"]}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-29T03:55:15.090Z"}}],"cna":{"orgId":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","shortName":"NetScaler","dateUpdated":"2026-09-27T16:02:07.001Z"}}},"related_cves":[{"value":"CVE-2026-88771","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":3410,"next_before":3410}