Rodauth before 2.47.0 TOTP Code Reuse via Drift Window

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-82470",
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "dateUpdated": "2026-08-29T16:35:31.777Z",
    "dateReserved": "2026-08-29T14:11:08.152Z",
    "datePublished": "2026-08-29T16:35:31.777Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck",
        "dateUpdated": "2026-08-29T16:35:31.777Z"
      },
      "datePublic": "2026-08-23T00:00:00.000Z",
      "title": "Rodauth before 2.47.0 TOTP Code Reuse via Drift Window",
      "descriptions": [
        {
          "lang": "en",
          "value": "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 bypass the second authentication factor."
        }
      ],
      "affected": [
        {
          "vendor": "jeremyevans",
          "product": "rodauth",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.47.0"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Authentication Bypass by Capture-replay",
              "cweId": "CWE-294",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/jeremyevans/rodauth/commit/3bfd0a11bae70935b1944e71dbe787dd0c3a62ad",
          "name": "Patch Commit",
          "tags": [
            "patch"
          ]
        },
        {
          "url": "https://github.com/jeremyevans/rodauth/security/advisories/GHSA-hhvg-6qmv-58vc",
          "name": "GitHub Security Advisory (GHSA-hhvg-6qmv-58vc)",
          "tags": [
            "vendor-advisory"
          ]
        },
        {
          "url": "https://github.com/jeremyevans/rodauth",
          "tags": [
            "product"
          ]
        },
        {
          "url": "https://www.vulncheck.com/advisories/rodauth-before-2.47.0-totp-code-reuse-via-drift-window",
          "name": "VulnCheck Advisory: Rodauth before 2.47.0 TOTP Code Reuse via Drift Window",
          "tags": [
            "third-party-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS"
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "LOW",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM"
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Joshua Rogers (AISLE Research)",
          "type": "finder"
        }
      ]
    }
  }
}