{"id":"CVE-2026-41940","revision":"e44bbe8f2a474191895524bdbdea4930","records":[{"revision":"e44bbe8f2a474191895524bdbdea4930","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-41940","aliases":[],"title":"WebPros cPanel and WHM Authentication Bypass via Login Flow","description":"cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.","state":0,"publishedAt":"2026-04-29T15:10:37.899+00:00","modifiedAt":"2026-09-30T17:20:17.713+00:00","affected":[{"ecosystem":"Vendor product","name":"cPanel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"affected\",\n                    \"vendor\": \"WebPros\",\n                    \"product\": \"cPanel\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.40.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.86.0.41\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.88.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.94.0.28\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.96.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.102.0.39\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.104.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.110.0.97\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.112.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.118.0.63\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.120.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.124.0.35\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.126.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.126.0.54\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.128.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.130.0.19\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.132.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.132.0.29\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.134.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.134.0.20\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.136.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.136.0.5\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"WP Squared","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"vendor\": \"WebPros\",\n                    \"product\": \"WP Squared\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.136.1.7\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"WHM","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"affected\",\n                    \"vendor\": \"WebPros\",\n                    \"product\": \"WHM\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.40.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.86.0.41\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.88.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.94.0.28\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.96.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.102.0.39\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.104.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.110.0.97\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.112.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.118.0.63\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.120.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.124.0.35\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.126.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.126.0.54\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.128.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.130.0.19\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.132.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.132.0.29\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.134.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.134.0.20\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.136.0.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"11.136.0.5\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026","https://docs.cpanel.net/release-notes/release-notes","https://docs.wpsquared.com/changelogs/versions/changelog/#13617","https://www.namecheap.com/status-updates/ongoing-critical-security-vulnerability-in-cpanel-april-28-2026","https://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-login-flow"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-41940","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-41940","identifiers":["CVE-2026-41940"]},"retained":false,"historicalAffected":[]}],"coverage":[]}