---
cve: "CVE-2026-75010"
severity: "MEDIUM"
cvss: 6.4
epss: "28%"
vendor: "Roundcube"
kev: false
exploited: false
published: "2026-08-17 13:16:55"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-02T15:33:18+02:00"
---

# CVE-2026-75010

> 6.4 MEDIUM · 🧪 PoC

## Beschreibung

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the modoboa driver of the password plugin could leak a Modoboa API authentication token to a user-controlled host via crafted session data. This issue only affects Roundcube instances using the password plugin with its modoboa driver.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- 4a2bb87d9ea93578acb9bb03599abf754c33a33f (Commit)
- 8473c30fd06f1aa4cfe4304ec54f54aef3b45abe (Commit)

## Referenzen

- <https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3>
- <https://github.com/roundcube/roundcubemail/releases/tag/1.6.18>
- <https://github.com/roundcube/roundcubemail/commit/65b8ea9d8304b10f1d3bda5bcc82f9c682cf804c>
- <https://github.com/roundcube/roundcubemail/releases/tag/1.7.3>
- <https://github.com/roundcube/roundcubemail/commit/b0e26d617e7bbe3051135285993bc55f718fea2f>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-75010) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_