{"id":"CVE-2026-50751","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-50751","generatedAt":"2026-10-28T02:10:07.756Z","title":"Check Point Security Gateway Improper Authentication Vulnerability","description":"A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.","published":"2026-06-08T12:16:32.000Z","lastModified":"2026-08-04T05:16:40.000Z","status":"Analyzed","sourceIdentifier":"cve@checkpoint.com","cvss":{"version":"3.1","score":9.3,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N"},"cwe":["CWE-287"],"affected":["checkpoint/gaia os","checkpoint/gaia embedded"],"epss":{"score":0.85338,"percentile":0.99715,"date":"2026-10-26","history":[{"date":"2026-09-24","score":0.06301,"percentile":0.93343},{"date":"2026-10-08","score":0.85338,"percentile":0.99714}]},"kev":{"listed":true,"dateAdded":"2026-06-08","dueDate":"2026-06-11","knownRansomwareCampaignUse":"Known","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ ; https://support.checkpoint.com/results/sk/sk185033?_gl=1*1wqeqhc*_gcl_au*MTI1MzE5MjI2LjE3ODA5MzQ1NTM. ; https://nvd.nist.gov/vuln/detail/CVE-2026-50751"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 11 June 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-08T00:00:00.000Z","detail":{"to":0.85338,"from":0.06416,"percentile":0.99714},"summary":"EPSS moved from 6.4% to 85.3% probability of exploitation in the next thirty days."},{"kind":"epss","label":"EPSS jump","at":"2026-09-24T00:00:00.000Z","detail":{"to":0.06301,"from":0.83771,"percentile":0.93343},"summary":"EPSS moved from 83.8% to 6.3% probability of exploitation in the next thirty days."}],"references":[{"url":"https://support.checkpoint.com/results/sk/sk185033","tags":["Mitigation","Patch","Vendor Advisory"],"source":"cve@checkpoint.com"},{"url":"https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/","tags":["Vendor Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-50751","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}