{"cve_id":"CVE-2026-41940","published":"2026-04-29T16:16:25.037000+00:00","last_modified":"2026-10-26T20:10:00.160000+00:00","vuln_status":"Analyzed","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.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","base_score":9.8,"base_severity":"CRITICAL","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-306"],"in_kev":true,"kev_date_added":"2026-04-30","kev_ransomware":true,"epss_score":0.98527,"epss_percentile":0.99921,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["AUTH_BYPASS","CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-10-28T03:32:47.957127+00:00","first_seen":"2026-04-29T16:16:25.037000+00:00","kev_first_seen":"2026-04-30T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["cpanel"],"products":["cpanel","whm","wp_squared"],"affected":[{"vendor":"cpanel","product":"cpanel","ranges":["≥ 11.40 and < 86.0.41","≥ 88.0.0 and < 110.0.97","≥ 112.0.0 and < 118.0.63","≥ 120.0.0 and < 124.0.35","≥ 126.0.1 and < 126.0.54","≥ 128.0.0 and < 130.0.19","≥ 132.0.0 and < 132.0.29","≥ 134.0.0 and < 134.0.20","≥ 136.0.0 and < 136.0.5"]},{"vendor":"cpanel","product":"whm","ranges":["≥ 11.40 and < 86.0.41","≥ 88.0.0 and < 110.0.97","≥ 112.0.0 and < 118.0.63","≥ 120.0.0 and < 124.0.35","≥ 126.0.1 and < 126.0.54","≥ 128.0.0 and < 130.0.19","≥ 132.0.0 and < 132.0.29","≥ 134.0.0 and < 134.0.20","≥ 136.0.0 and < 136.0.5"]},{"vendor":"cpanel","product":"wp_squared","ranges":["< 136.1.7"]}]}