[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJu24NlAKzE42odKre9GDandXciKCIdgzb8iuBExg9GA":3},{"article":4,"iocs":50,"watch_terms":55,"solutions":56,"lesson":150},{"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":32,"category":33,"article_tags":37},"8cf7f3c8-23ac-4656-bc1e-b37411267e8c","Splunk Enterprise Vulnerability Exploited in Attacks Days After Disclosure","splunk-enterprise-vulnerability-exploited-in-attacks-days-after-disclosure-f332a8","CISA has given federal agencies only three days to patch CVE-2026-20253, which can be exploited for unauthenticated remote code execution. The post Splunk Enterprise Vulnerability Exploited in Attacks Days After Disclosure appeared first on SecurityWeek.","A critical Splunk Enterprise vulnerability, CVE-2026-20253, is actively being exploited in attacks shortly after its public disclosure. The flaw allows unauthenticated remote code execution by creating or truncating arbitrary files via a PostgreSQL sidecar service. CISA has mandated federal agencies to patch this vulnerability by June 21st, marking the first Splunk flaw added to its Known Exploited Vulnerabilities catalog.","Splunk Enterprise vulnerability CVE-2026-20253 exploited in attacks days after disclosure.","https:\u002F\u002Fwww.securityweek.com\u002Fsplunk-enterprise-vulnerability-exploited-in-attacks-days-after-disclosure\u002F","https:\u002F\u002Fwww.securityweek.com\u002Fwp-content\u002Fuploads\u002F2025\u002F03\u002FSplunk.jpeg","2026-06-19T04:10:34+00:00","2026-06-19T06:00:26.401264+00:00",9,[17,20,23,25,27,29],{"name":18,"type":19},"Splunk Enterprise","product",{"name":21,"type":22},"Splunk","vendor",{"name":24,"type":19},"PostgreSQL",{"name":26,"type":22},"Cisco",{"name":28,"type":22},"WatchTowr",{"name":30,"type":31},"remote code execution","technology","80544778-fabb-4dcd-aa35-17492e5dcf4f",{"id":32,"icon":34,"name":35,"slug":36},null,"Vulnerabilities","vulnerabilities",[38,40,45],{"category":39},{"id":32,"icon":34,"name":35,"slug":36},{"category":41},{"id":42,"icon":34,"name":43,"slug":44},"c5eccf7c-abbc-4bd3-bbed-e6da5cba8e73","Incident Response","incident-response",{"category":46},{"id":47,"icon":34,"name":48,"slug":49},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[51],{"type":52,"value":53,"context":54},"cve","CVE-2026-20253","Critical Splunk Enterprise vulnerability allowing unauthenticated remote code execution.",[26,21,28],{"controls":57,"vendors":144},[58,87,115],{"slug":59,"name":60,"problem":61,"products":62},"vulnerability-management","Vulnerability scanning and prioritisation","You know which systems are vulnerable, and which ones to fix first.",[63,71,79],{"vendor_slug":64,"vendor_name":65,"vendor_logo":66,"product_slug":67,"product_name":68,"url":69,"description":70},"rapid7","Rapid7","\u002Fvendor-logos\u002Frapid7.png","insightvm","Rapid7 Exposure Command (InsightVM)","https:\u002F\u002Fwww.rapid7.com\u002Fproducts\u002Finsightvm\u002F","Vulnerability scanning and risk-based prioritisation; InsightVM is now part of Exposure Command, alongside attack surface and cloud risk.",{"vendor_slug":72,"vendor_name":73,"vendor_logo":74,"product_slug":75,"product_name":76,"url":77,"description":78},"axonius","Axonius","\u002Fvendor-logos\u002Faxonius.png","axonius-exposures","Axonius Exposures","https:\u002F\u002Fwww.axonius.com\u002Fplatform\u002Fexposures","Brings findings from different scanners together with asset and business context, to show what matters most and track fixes to the end.",{"vendor_slug":80,"vendor_name":81,"vendor_logo":82,"product_slug":83,"product_name":84,"url":85,"description":86},"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":88,"name":89,"problem":90,"products":91},"patch-management","Automated patch management","Known holes get closed in days, not months.",[92,99,107],{"vendor_slug":93,"vendor_name":94,"vendor_logo":95,"product_slug":88,"product_name":96,"url":97,"description":98},"qualys","Qualys","\u002Fvendor-logos\u002Fqualys.png","Qualys Patch Management","https:\u002F\u002Fwww.qualys.com\u002Fapps\u002Fpatch-management\u002F","Patch deployment for operating systems and third-party applications, linked to vulnerability findings.",{"vendor_slug":100,"vendor_name":101,"vendor_logo":102,"product_slug":103,"product_name":104,"url":105,"description":106},"manageengine","ManageEngine","\u002Fvendor-logos\u002Fmanageengine.png","patch-manager-plus","ManageEngine Patch Manager Plus","https:\u002F\u002Fwww.manageengine.com\u002Fpatch-management\u002F","Patch management for operating systems and third-party applications, on premises or in the cloud.",{"vendor_slug":108,"vendor_name":109,"vendor_logo":110,"product_slug":111,"product_name":112,"url":113,"description":114},"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.",{"slug":116,"name":117,"problem":118,"products":119},"network-segmentation","Network segmentation and microsegmentation","One compromised machine can no longer reach everything else.",[120,128,136],{"vendor_slug":121,"vendor_name":122,"vendor_logo":123,"product_slug":124,"product_name":125,"url":126,"description":127},"illumio","Illumio","\u002Fvendor-logos\u002Fillumio.png","illumio-segmentation","Illumio Segmentation","https:\u002F\u002Fwww.illumio.com\u002Fillumio-segmentation","Maps traffic between workloads and enforces segmentation across data centre, cloud and endpoints.",{"vendor_slug":129,"vendor_name":130,"vendor_logo":131,"product_slug":132,"product_name":133,"url":134,"description":135},"akamai","Akamai","\u002Fvendor-logos\u002Fakamai.png","guardicore-segmentation","Akamai Guardicore Segmentation","https:\u002F\u002Fwww.akamai.com\u002Fproducts\u002Fakamai-guardicore-segmentation","Software-based microsegmentation with traffic visibility.",{"vendor_slug":137,"vendor_name":138,"vendor_logo":139,"product_slug":140,"product_name":141,"url":142,"description":143},"threatlocker","ThreatLocker","\u002Fvendor-logos\u002Fthreatlocker.png","zero-trust-endpoint-firewall","Zero Trust Endpoint Firewall","https:\u002F\u002Fwww.threatlocker.com\u002Fcapabilities\u002Fzero-trust-endpoint-firewall","Centrally managed host firewall with device-level and dynamic access rules, to limit which machines can talk to each other.",[145],{"slug":146,"name":21,"logo_path":147,"roles":148},"splunk","\u002Fvendor-logos\u002Fsplunk.png",[149],"affected",{"slug":151,"title":152,"body":153,"framework_refs":154,"framework_notes":166},"critical-splunk-rce-flaw-exploited-within-days-of-disclosure","Critical Splunk RCE Flaw Exploited Within Days of Disclosure","CVE-2026-20253 exposes a critical remote code execution vulnerability in Splunk Enterprise, exploitable by unauthenticated attackers through a PostgreSQL sidecar service to create or truncate arbitrary files. The rapid exploitation following public disclosure highlights the dangerously narrow window organizations have between vulnerability announcement and active attack campaigns. This pattern — sometimes called 'patch lag' — demonstrates that threat actors monitor CVE disclosures closely and weaponize exploits almost immediately. The fact that this is the first Splunk vulnerability added to CISA's Known Exploited Vulnerabilities (KEV) catalog underscores the severity and real-world impact. Organizations running Splunk Enterprise, especially internet-facing deployments, face significant risk until patches are applied.",[155,156,157,158,159,160,161,162,163,164,165],"CIS Control 7: Continuous Vulnerability Management","CIS Control 12: Network Infrastructure Management","CIS Control 18: Penetration Testing","NIST SP 800-40 Rev. 4: Guide to Enterprise Patch Management","NIST SI-2: Flaw Remediation","NIST SI-3: Malicious Code Protection","NIST AC-17: Remote Access","NIST RA-5: Vulnerability Monitoring and Scanning","CISA KEV Catalog Directive BOD 22-01","ITIL Change Management: Emergency Change Procedures","ISO\u002FIEC 27001: A.12.6.1 Management of Technical Vulnerabilities",{}]