{"id":"CVE-2026-85102","published":"2026-09-09T13:20:43Z","modified":"2026-09-23T18:22:07Z","title":"Check Point Multiple Products Improper Certificate Validation Vulnerability","vendor":"Check Point","product":"Multiple Products","tier":"core","eol":null,"description":{"text":"Improper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow an unauthenticated remote attacker to execute arbitrary code on the Gateway.","provenance":"source","from":"NVD"},"summary":{"text":"Check Point Multiple Products contain an improper certificate trust validation flaw during VPN negotiation in the Check Point Quantum Security Gateway. An unauthenticated remote attacker with network access to the gateway can exploit it without user interaction or special configuration to execute arbitrary code on the Gateway.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:11:59Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.5414,"percentile":0.99006,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2026-09-22","dueDate":"2026-09-25","ransomware":false,"requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","notes":"https://support.checkpoint.com/results/sk/sk1000117 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-85102","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-09-22","exploitedFirstSeen":"2026-09-22","ransomware":false,"evidence":[{"url":"https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/","date":"2026-09-22"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-09-22"},{"url":"https://research.checkpoint.com/2026/28th-september-threat-intelligence-report/","date":"2026-09-28"},{"url":"https://asec.ahnlab.com/en/95741/","date":"2026-10-07"}],"evidenceTotal":4,"provenance":"source"},"exploited":true,"otx":{"pulseCount":49,"pulses":[{"name":"Teams vishing: fake “IT” tenant","url":"https://otx.alienvault.com/pulse/6ae4ea1b385df05188293ea5","created":"2026-10-30"},{"name":"Actively_Exploited_Kev | Oct 31, 2026","url":"https://otx.alienvault.com/pulse/6ae4aefab0c2191cecd41862","created":"2026-10-30"},{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"EbeeOct2026 Pt6","url":"https://otx.alienvault.com/pulse/6ae18a35499a00890a824f6c","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Beyond the Inbox: How Threat Actors Abuse Microsoft Teams External Chat for Initial Access","url":"https://otx.alienvault.com/pulse/6ae03ee6ee2d553bce6c449b","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Beyond the Inbox: How Threat Actors Abuse Microsoft Teams External Chat for Initial Access","url":"https://otx.alienvault.com/pulse/6adf5e6a54877322e0ed8a09","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"}],"provenance":"machine"},"cwes":[{"id":"CWE-295","name":"Improper Certificate Validation"}],"references":[{"url":"https://support.checkpoint.com/results/sk/sk1000117","tags":["Mitigation","Patch","Vendor Advisory"]},{"url":"https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Unauthenticated remote exploit against public-facing VPN gateway","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"may allow an unauthenticated remote attacker to execute arbitrary code on the Gateway","start":101,"end":186}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Arbitrary code execution on the gateway","mappingType":"primary_impact","evidence":[{"from":"description","quote":"may allow an unauthenticated remote attacker to execute arbitrary code on the Gateway","start":101,"end":186}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-75009","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-75009","exploited":true,"exploitedSince":"2026-09-22","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2026-10-07","earliestUrl":"https://github.com/aduli198/CVE-2026-85102","repos":[{"name":"aduli198/CVE-2026-85102","url":"https://github.com/aduli198/CVE-2026-85102","stars":1,"created":"2026-10-07"}]},"first":{"date":"2026-10-07","source":"PoC-in-GitHub","url":"https://github.com/aduli198/CVE-2026-85102"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2026-09-09","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85102","provenance":"source"},{"date":"2026-09-22","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/","provenance":"source"},{"date":"2026-09-22","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2026-09-22","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-75009","provenance":"source"},{"date":"2026-10-07","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/aduli198/CVE-2026-85102","provenance":"source"}],"speed":{"daysToPublicExploit":28,"firstExploitFrom":"PoC-in-GitHub","daysToKev":13},"priority":{"score":79.7,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":10.0,"detail":"added 39 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.8,"detail":"percentile 0.9901"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 PoC-in-GitHub repo"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"49 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}