{"id":"CVE-2026-108108","published":"2026-10-09T15:17:11.887","lastModified":"2026-10-14T02:16:59.337","description":"PHPNuxBill through 2025.3.20 contains an authentication bypass vulnerability in RADIUS CHAP verification because Password::chap_verify() returns true when the supplied response does not match. Attackers who know a valid customer or PPPoE username can log in through MikroTik hotspot or PPPoE CHAP with any incorrect password to obtain network access and consume that customer's plan.","cvssScore":7.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","cwes":["CWE-287"],"vendors":[],"products":[],"references":[{"url":"https://github.com/hotspotbilling/phpnuxbill","tags":[]},{"url":"https://github.com/hotspotbilling/phpnuxbill/blob/2025.3.13/system/autoload/Password.php#L48","tags":[]},{"url":"https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-6f62-x25v-9686","tags":[]},{"url":"https://www.vulncheck.com/advisories/phpnuxbill-through-2025.3.20-chap-authentication-bypass-via-password-chap-verify","tags":[]},{"url":"https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-6f62-x25v-9686","tags":[]}],"exploitRefs":[{"url":"https://github.com/hotspotbilling/phpnuxbill","tags":[]},{"url":"https://github.com/hotspotbilling/phpnuxbill/blob/2025.3.13/system/autoload/Password.php#L48","tags":[]},{"url":"https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-6f62-x25v-9686","tags":[]},{"url":"https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-6f62-x25v-9686","tags":[]}],"hasPoc":true,"ai":null}