# CVE-2026-82470

## Summary

- **CVE ID:** CVE-2026-82470
- **Severity:** MEDIUM
- **CVSS Score:** 5.4 (CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-294
- **Published:** Aug 29, 2026
- **Last Modified:** Aug 31, 2026

## Description

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 Products

- jeremyevans — rodauth (0)

## References

- [CNA](https://github.com/jeremyevans/rodauth/commit/3bfd0a11bae70935b1944e71dbe787dd0c3a62ad)
- [CNA](https://github.com/jeremyevans/rodauth/security/advisories/GHSA-hhvg-6qmv-58vc)
- [CNA](https://github.com/jeremyevans/rodauth)
- [CNA](https://www.vulncheck.com/advisories/rodauth-before-2.47.0-totp-code-reuse-via-drift-window)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.24%
- **EPSS Percentile:** 14.3

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._