{"id":"CVE-2026-82470","title":"Rodauth before 2.47.0 contains a time-based one-time password reuse vulnerability in the otp feature that fails to track the last accepted code timestamp","summary":"Rodauth before 2.47.0 contains a time-based one-time password reuse vulnerability in the otp feature that fails to track the last accepted code timestamp. Attackers who observe a valid TOTP code can replay it during the drift window to b…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-294"],"published":"2026-08-29","updated":"2026-09-11","sourceUpdated":"2026-09-11T18:26:53.610","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82470","references":[{"url":"https://github.com/jeremyevans/rodauth","label":"disclosure@vulncheck.com"},{"url":"https://github.com/jeremyevans/rodauth/commit/3bfd0a11bae70935b1944e71dbe787dd0c3a62ad","label":"disclosure@vulncheck.com"},{"url":"https://github.com/jeremyevans/rodauth/security/advisories/GHSA-hhvg-6qmv-58vc","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/rodauth-before-2.47.0-totp-code-reuse-via-drift-window","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00235,"epssPercentile":0.1466,"ingestedAt":"2026-08-30T12:52:23.902Z","slug":"CVE-2026-82470","body":"## Overview\n\nRodauth before 2.47.0 contains a time-based one-time password reuse vulnerability in the otp feature that fails to track the last accepted code timestamp. Attackers who observe a valid TOTP code can replay it during the drift window to bypass the second authentication factor.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}