{"id":"CVE-2026-29204","aliases":["EUVD-2026-29551","GHSA-5j8p-mmp9-6fj8"],"status":"published","title":"Insufficient ownership checks in `clientarea.php` allow an authenticated client area user to...","description":"Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's account.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00319,"percentile":0.25188,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-639"],"published":"2026-05-12T17:46:55Z","modified":"2026-10-26T18:10:00Z","exploits":[{"source":"pocgithub","id":"bogdanrotariu/cve-2026-29204-whmcs-clientarea-addonid","title":"bogdanrotariu/cve-2026-29204-whmcs-clientarea-addonid","date":"2026-05-13","url":"https://github.com/bogdanrotariu/cve-2026-29204-whmcs-clientarea-addonid"}],"products":[{"vendor":"webpros","product":"whmcs"}],"references":[{"url":"https://help.whmcs.com/m/125386/l/2073908-cve-2026-29204"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29204"},{"url":"https://help.whmcs.com/m/125386/l/2073908-cve-2026-29204?token=_4RH-0s0febHsrNiC8GdPymsqg3_nSdT"},{"url":"https://github.com/advisories/GHSA-5j8p-mmp9-6fj8"}],"sources":{"cve":[{"id":"CVE-2026-29204","description":"Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's account.","status":"published","published":"2026-05-12T17:46:55.152Z","modified":"2026-05-12T21:57:08.277Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:19:56.284359Z"}],"euvd":[{"id":"EUVD-2026-29551","description":"Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's account.","status":"published","published":"2026-05-12T17:46:55Z","modified":"2026-05-12T21:57:08Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T19:04:36.64757Z"}],"ghsa":[{"id":"GHSA-5j8p-mmp9-6fj8","title":"Insufficient ownership checks in `clientarea.php` allow an authenticated client area user to...","description":"Insufficient ownership checks in `clientarea.php` allow an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's resources and their cPanel account.","status":"published","published":"2026-05-12T18:30:40Z","modified":"2026-05-13T00:49:16Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:08:07.151918Z"}],"nvd":[{"id":"CVE-2026-29204","description":"Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's account.","status":"published","published":"2026-05-12T18:16:51.03Z","modified":"2026-10-26T18:10:00.173Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:18.613259Z"}]}}