{"cve":{"cve_id":"CVE-2026-107406","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00471,"epss_percentile":0.39276,"epss_as_of":"2026-10-15","description":"Memory overflow vulnerability leading to Remote Code Execution or Denial of Service Vulnerability in NetScaler ADC.\n\n\nNetScaler ADC or NetScaler Gateway must be configured as a SAML SP or SAML IdP, subject to the following version-specific requirements:\n\n\n\n \n\n  *  For the following versions: Applicable only when configured as a SAML IdP:\n  *  NetScaler ADC and NetScaler Gateway between 14.1-73.37 and 14.1-73.41, inclusive\n  *  NetScaler ADC 14.1-FIPS between 14.1-73.37 FIPS and 14.1-73.41 FIPS, inclusive\n  *  NetScaler ADC and NetScaler Gateway between 13.1-64.23 and 13.1-64.28, inclusive\n  *  NetScaler ADC 13.1-FIPS between 13.1-NDcPP 13.1-37.279 and 13.1- 37.282, inclusive\n\n\n\n\n \n\n\n\nFor the following versions: Applicable only when configured as a SAML SP or SAML IdP:\n\n  *  NetScaler ADC and NetScaler Gateway before 14.1-73.37 \n  *  NetScaler ADC 14.1-FIPS before 14.1-73.37 FIPS \n  *  NetScaler ADC and NetScaler Gateway before 13.1-64.23\n  *  NetScaler ADC 13.1-FIPS before13.1-NDcPP 13.1-37.279","published_at":"2026-10-08T21:18:08.336000Z","last_modified_at":"2026-10-10T04:18:09.503000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":9.5,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L","cvss_v4_severity":"CRITICAL","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-119"],"nvd_references":["https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697191"],"vuln_status":"Awaiting Analysis","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-10-08T21:37:29.208026Z","updated_at":"2026-10-12T01:08:57.935686Z"},"effective_severity":"CRITICAL","badges":["news"],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"H","value_label":"High"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"H","value_label":"High"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"H","value_label":"High"},{"metric":"SA","name":"Availability (Subsequent System)","value":"L","value_label":"Low"}]},"affected":[{"vendor_slug":"netscaler","vendor_name":"NetScaler","product_slug":"adc","product_name":"ADC","version_start":"0","version_start_inclusive":true,"version_end":"14.1-73.46","version_end_inclusive":false,"cpe23_uri":"cve5:netscaler:adc:0:14.1-73.46"},{"vendor_slug":"netscaler","vendor_name":"NetScaler","product_slug":"adc","product_name":"ADC","version_start":"0","version_start_inclusive":true,"version_end":"13.1-64.29","version_end_inclusive":false,"cpe23_uri":"cve5:netscaler:adc:0:13.1-64.29"},{"vendor_slug":"netscaler","vendor_name":"NetScaler","product_slug":"adc","product_name":"ADC","version_start":"0","version_start_inclusive":true,"version_end":"14.1-73.46 FIPS","version_end_inclusive":false,"cpe23_uri":"cve5:netscaler:adc:0:14.1-73.46 FIPS"},{"vendor_slug":"netscaler","vendor_name":"NetScaler","product_slug":"adc","product_name":"ADC","version_start":"0","version_start_inclusive":true,"version_end":"13.1.37.283 FIPS","version_end_inclusive":false,"cpe23_uri":"cve5:netscaler:adc:0:13.1.37.283 FIPS"},{"vendor_slug":"netscaler","vendor_name":"NetScaler","product_slug":"gateway","product_name":"Gateway","version_start":"0","version_start_inclusive":true,"version_end":"14.1-73.46","version_end_inclusive":false,"cpe23_uri":"cve5:netscaler:gateway:0:14.1-73.46"},{"vendor_slug":"netscaler","vendor_name":"NetScaler","product_slug":"gateway","product_name":"Gateway","version_start":"0","version_start_inclusive":true,"version_end":"13.1-64.29","version_end_inclusive":false,"cpe23_uri":"cve5:netscaler:gateway:0:13.1-64.29"}],"exploit_refs":[],"news":[{"id":2472,"source":"The Hacker News","url":"https://thehackernews.com/2026/10/citrix-patches-critical-netscaler-flaw.html","title":"Citrix Patches Critical NetScaler Flaw That Could Enable RCE in SAML Deployments","summary":"Citrix has released patches for yet another critical security flaw impacting NetScaler ADC and NetScaler Gateway that could result in remote code execution or denial-of-service (DoS) under certain conditions.\n\n\"CVE-2026-107406 is a memory overflow vulnerability that may lead to remote code execution or denial-of-service under specific configuration conditions,\" Citrix said.\n\nThe vulnerability","thumbnail_url":"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifRR7IQ4Ngqm8ANJ-DKwW60qeemJlrfrtvhaAwtpzW37_jAkbdctxJEqjw8k_m1KT32ryqoxa1dNYoEPG-E9xNwrbtXqbOjbzmgs3JM9RW68FZMNA8ky14QKTLpEfHop9A4xmXO46fxQaeXZMZzzMQ-qoIXLpMrr8Gbekn3cgNX5xc7bYvMRDYKjDeLf4o/s1600/cit.jpg","author":"info@thehackernews.com (The Hacker News)","published_at":"2026-10-09T08:11:33Z","fetched_at":"2026-10-09T10:20:29.416126Z","trending_score":0.003012556283930672,"cve_ids":["CVE-2026-107406"]}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697191","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-10-08T21:18:08.336000Z","label":"CVE published","source":null},{"type":"first_article","at":"2026-10-09T08:11:33Z","label":"First news coverage","source":"The Hacker News"}]}