---
cve: "CVE-2026-4208"
severity: "HIGH"
cvss: 7.7
epss: "26%"
vendor: "TYPO3"
kev: false
exploited: false
published: "2026-03-17 09:16:14"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T16:00:07+02:00"
---

# CVE-2026-4208

> 7.7 HIGH

## Beschreibung

The extension fails to properly reset the generated MFA code after successful authentication. This leads to a possible MFA bypass for future login attempts by providing an empty string as MFA code to the extensions MFA provider.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

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

## Patch verfügbar (OSV)

- 3b0184c6e1ffb0fc652aa70321866fc93c28ba35 (Commit)

## Referenzen

- <https://typo3.org/security/advisory/typo3-ext-sa-2026-007>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-4208) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_