{"id":"CVE-2026-108108","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-108108","generatedAt":"2026-10-27T23:50:15.250Z","title":"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.","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.","published":"2026-10-09T15:17:12.000Z","lastModified":"2026-10-14T02:16:59.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.1,"severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-287"],"affected":[],"epss":{"score":0.00341,"percentile":0.27414,"date":"2026-10-26","history":[{"date":"2026-10-10","score":0.00229,"percentile":0.12671}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-09T15:17:12.000Z","detail":{"score":"7.1","severity":"HIGH","publishedAt":"2026-10-09T15:17:11.887Z"},"summary":"New CVE, high severity (CVSS 7.1)."}],"references":[{"url":"https://github.com/hotspotbilling/phpnuxbill","source":"disclosure@vulncheck.com"},{"url":"https://github.com/hotspotbilling/phpnuxbill/blob/2025.3.13/system/autoload/Password.php#L48","source":"disclosure@vulncheck.com"},{"url":"https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-6f62-x25v-9686","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/phpnuxbill-through-2025.3.20-chap-authentication-bypass-via-password-chap-verify","source":"disclosure@vulncheck.com"},{"url":"https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-6f62-x25v-9686","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-108108","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."}