---
cve: "CVE-2026-82470"
severity: "MEDIUM"
cvss: 5.1
epss: "24%"
vendor: "jeremyevans"
kev: false
exploited: false
published: "2026-08-29 17:17:59"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-08-31T21:09:54+02:00"
---

# CVE-2026-82470

> 5.1 MEDIUM · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- a7edd275254766ea4126d6f722cfdbd26002c29c (Commit)
- 3bfd0a11bae70935b1944e71dbe787dd0c3a62ad (Commit)

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-82470) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_