[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fHMUGHYKOFF1pCiD4sEjnKzttWAYMChRB8_6gYWUzo8M":3},{"article":4,"iocs":48,"watch_terms":60,"solutions":61,"lesson":155},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"url":11,"image_url":12,"published_at":13,"ingested_at":14,"relevance_score":15,"entities":16,"category_id":30,"category":31,"article_tags":35},"6072eac8-7440-4933-8a26-2eb822a2c12e","Citrix Urges Immediate Patching of Critical NetScaler Vulnerability","citrix-urges-immediate-patching-of-critical-netscaler-vulnerability-8d2528","The security defect, tracked as CVE-2026-107406, could lead to remote code execution or denial-of-service. The post Citrix Urges Immediate Patching of Critical NetScaler Vulnerability appeared first on SecurityWeek.","Citrix has issued a critical warning for a NetScaler vulnerability, CVE-2026-107406, with a CVSS score of 9.5. This memory overflow flaw can lead to remote code execution or denial-of-service and affects NetScaler ADC and Gateway appliances configured as SAML SP or IdP, as well as Secure Private Access Hybrid deployments. While Citrix is unaware of any active exploits, they urge immediate patching to the latest versions.","Citrix warns of critical NetScaler vulnerability (CVE-2026-107406) requiring immediate patching.","https:\u002F\u002Fwww.securityweek.com\u002Fcitrix-urges-immediate-patching-of-critical-netscaler-vulnerability\u002F","https:\u002F\u002Fwww.securityweek.com\u002Fwp-content\u002Fuploads\u002F2026\u002F08\u002FCitrix-vulnerability.jpeg","2026-10-09T06:53:53+00:00","2026-10-09T08:00:05.770256+00:00",9,[17,20,22,25,28],{"name":18,"type":19},"NetScaler ADC","product",{"name":21,"type":19},"NetScaler Gateway",{"name":23,"type":24},"Citrix","vendor",{"name":26,"type":27},"SAML","technology",{"name":29,"type":19},"Secure Private Access Hybrid","80544778-fabb-4dcd-aa35-17492e5dcf4f",{"id":30,"icon":32,"name":33,"slug":34},null,"Vulnerabilities","vulnerabilities",[36,41,43],{"category":37},{"id":38,"icon":32,"name":39,"slug":40},"6cbdd207-aaa1-4176-9534-e156b125e917","Nation-state","nation-state",{"category":42},{"id":30,"icon":32,"name":33,"slug":34},{"category":44},{"id":45,"icon":32,"name":46,"slug":47},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[49,53,56,58],{"type":50,"value":51,"context":52},"cve","CVE-2026-107406","Critical NetScaler vulnerability",{"type":50,"value":54,"context":55},"CVE-2026-88779","Previous NetScaler zero-day vulnerability",{"type":50,"value":57,"context":55},"CVE-2026-88771",{"type":50,"value":59,"context":55},"CVE-2026-88772",[23,18,21],{"controls":62,"vendors":149},[63,92,121],{"slug":64,"name":65,"problem":66,"products":67},"vulnerability-management","Vulnerability scanning and prioritisation","You know which systems are vulnerable, and which ones to fix first.",[68,76,84],{"vendor_slug":69,"vendor_name":70,"vendor_logo":71,"product_slug":72,"product_name":73,"url":74,"description":75},"tenable","Tenable","\u002Fvendor-logos\u002Ftenable.png","tenable-vulnerability-management","Tenable Vulnerability Management","https:\u002F\u002Fwww.tenable.com\u002Fproducts\u002Fvulnerability-management","Cloud-based vulnerability scanning and prioritisation, built on Nessus.",{"vendor_slug":77,"vendor_name":78,"vendor_logo":79,"product_slug":80,"product_name":81,"url":82,"description":83},"qualys","Qualys","\u002Fvendor-logos\u002Fqualys.png","vmdr","Qualys VMDR","https:\u002F\u002Fwww.qualys.com\u002Fapps\u002Fvulnerability-management-detection-response\u002F","Vulnerability management, detection and response with risk-based prioritisation.",{"vendor_slug":85,"vendor_name":86,"vendor_logo":87,"product_slug":88,"product_name":89,"url":90,"description":91},"holm-security","Holm Security","\u002Fvendor-logos\u002Fholm-security.png","holm-security-platform","Holm Security Platform","https:\u002F\u002Fwww.holmsecurity.com\u002F","Vulnerability scanning of systems, web applications, cloud and the external attack surface, plus phishing simulation.",{"slug":93,"name":94,"problem":95,"products":96},"patch-management","Automated patch management","Known holes get closed in days, not months.",[97,105,113],{"vendor_slug":98,"vendor_name":99,"vendor_logo":100,"product_slug":101,"product_name":102,"url":103,"description":104},"microsoft","Microsoft","\u002Fvendor-logos\u002Fmicrosoft.png","intune","Microsoft Intune","https:\u002F\u002Fwww.microsoft.com\u002Fen-us\u002Fsecurity\u002Fbusiness\u002Fmicrosoft-intune","Device management for Windows, macOS, iOS and Android, including update rings and compliance policies.",{"vendor_slug":106,"vendor_name":107,"vendor_logo":108,"product_slug":109,"product_name":110,"url":111,"description":112},"ninjaone","NinjaOne","\u002Fvendor-logos\u002Fninjaone.png","ninjaone-patch-management","NinjaOne Patch Management","https:\u002F\u002Fwww.ninjaone.com\u002Fpatch-management\u002F","Automated patching of operating systems and third-party applications from the cloud.",{"vendor_slug":114,"vendor_name":115,"vendor_logo":116,"product_slug":117,"product_name":118,"url":119,"description":120},"action1","Action1","\u002Fvendor-logos\u002Faction1.png","action1-patch-management","Action1 Patch Management","https:\u002F\u002Fwww.action1.com\u002F","Cloud-native patch management for Windows, macOS and third-party applications.",{"slug":47,"name":122,"problem":123,"products":124},"Threat intelligence","Attack campaigns reach your sector, suppliers or software before your team hears about them.",[125,133,141],{"vendor_slug":126,"vendor_name":127,"vendor_logo":128,"product_slug":129,"product_name":130,"url":131,"description":132},"google","Google","\u002Fvendor-logos\u002Fgoogle.png","google-threat-intelligence","Google Threat Intelligence","https:\u002F\u002Fcloud.google.com\u002Fsecurity\u002Fproducts\u002Fthreat-intelligence","Threat intelligence from Mandiant's frontline investigations, Google's threat analysts, open sources and Google's own visibility, in one service.",{"vendor_slug":134,"vendor_name":135,"vendor_logo":136,"product_slug":137,"product_name":138,"url":139,"description":140},"dataminr","Dataminr","\u002Fvendor-logos\u002Fdataminr.png","agentic-threat-intelligence-platform","Agentic Threat Intelligence Platform","https:\u002F\u002Fwww.dataminr.com\u002Fproducts\u002Fcyber-defense\u002Fagentic-threat-intelligence-platform\u002F","Threat intelligence platform, formerly ThreatConnect TI Ops, that collects, scores and structures intelligence and pushes it into security tools.",{"vendor_slug":142,"vendor_name":143,"vendor_logo":144,"product_slug":145,"product_name":146,"url":147,"description":148},"crowdstrike","CrowdStrike","\u002Fvendor-logos\u002Fcrowdstrike.png","falcon-adversary-intelligence","Falcon Adversary Intelligence","https:\u002F\u002Fwww.crowdstrike.com\u002Fen-us\u002Fplatform\u002Fthreat-intelligence\u002F","Threat intelligence on the adversaries CrowdStrike tracks, built into the Falcon platform to detect, disrupt and defend against them.",[150],{"slug":151,"name":23,"logo_path":152,"roles":153},"citrix","\u002Fvendor-logos\u002Fcitrix.png",[154],"affected",{"slug":156,"title":157,"body":158,"framework_refs":159,"framework_notes":169},"critical-citrix-netscaler-flaw-demands-immediate-patching","Critical Citrix NetScaler Flaw Demands Immediate Patching","A critical memory overflow vulnerability (CVE-2026-107406, CVSS 9.5) in Citrix NetScaler ADC and Gateway appliances exposes organizations to remote code execution and denial-of-service attacks, particularly in environments configured as SAML Service Providers or Identity Providers. The severity of this flaw is compounded by the fact that NetScaler appliances are typically internet-facing, making them high-value targets for threat actors. Although no active exploitation has been confirmed, historical precedent with Citrix vulnerabilities shows that attackers rapidly weaponize public disclosures. Delayed patching of critical network access infrastructure can result in full network compromise, credential theft, and lateral movement. Organizations must treat this as an emergency patching event rather than a routine maintenance task.",[160,161,162,163,164,165,166,167,168],"CIS Control 7: Continuous Vulnerability Management","CIS Control 12: Network Infrastructure Management","NIST SP 800-40 Rev. 4: Guide to Enterprise Patch Management","NIST SI-2: Flaw Remediation","NIST RA-5: Vulnerability Monitoring and Scanning","NIST CM-6: Configuration Settings","ITIL Change Management: Emergency Change Procedure","GDPR Article 32: Security of Processing (timely remediation of known vulnerabilities)","ISO\u002FIEC 27001 A.12.6.1: Management of Technical Vulnerabilities",{}]