{"schema":"threatline.record/2","record":{"id":"CVE-2026-108109","aliases":["GHSA-337r-rrrc-r559"],"summary":"PHPNuxBill through 2025.3.20 Account Takeover via Brute-Forceable Password Reset Code","details":"PHPNuxBill through 2025.3.20 contains an account takeover vulnerability in the customer password reset flow in system/controllers/forgot.php that allows unauthenticated attackers to brute-force the 6-digit otp_code. Attackers knowing a customer username can guess the code without attempt limits or lockout, then read the newly set password from the HTTP response to hijack the account.","categories":["Unclassified"],"product":"phpnuxbill","vendor":"hotspotbilling","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-108109","source_modified_at":"2026-10-09T17:26:03.792Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"phpnuxbill","vendor":"hotspotbilling","versions":[{"version":"0","status":"affected","versionType":"custom","lessThanOrEqual":"2025.3.20"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.3,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00388,"percentile":0.31681,"score_date":"2026-10-23"},"published_at":"2026-10-09T14:33:32.201Z","modified_at":"2026-10-09T17:26:03.792Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-108109","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-09T17:26:03.792Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-108109","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-337r-rrrc-r559","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/hotspotbilling/phpnuxbill/commit/c3c2a92d468af91136d747b75142ed72f10320cc","tags":["patch"]},{"source":"CVE List","url":"https://github.com/hotspotbilling/phpnuxbill/blob/2025.3.13/system/controllers/forgot.php#L41","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/hotspotbilling/phpnuxbill","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/phpnuxbill-through-2025.3.20-account-takeover-via-brute-forceable-password-reset-code","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-09T17:25:00.595911Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-09T17:26:03.792Z","content_hash":"a3fd5bebb760848c2a24032f3dabf0de2ad0210f198ea886c4c836dcead24d3b"}}