---
cve: "CVE-2026-48847"
severity: "LOW"
cvss: 3.7
epss: "43%"
vendor: "Roundcube"
kev: false
exploited: false
published: "2026-05-25 20:16:37"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-14T16:47:03+02:00"
---

# CVE-2026-48847

> 3.7 LOW · 🧪 PoC

## Beschreibung

Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 19dd079eb36ca78c8b1654aad154de395b490d3e (Commit)
- 82ea2711e57e5555293d3b33c143f4c6ff54bf22 (Commit)

## Referenzen

- <https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1>
- <https://github.com/roundcube/roundcubemail/releases/tag/1.7.1>
- <https://github.com/roundcube/roundcubemail/commit/a4eb375b98cc3d055de665c34efc729dd8ef272a>
- <https://github.com/roundcube/roundcubemail/releases/tag/1.6.16>
- <https://github.com/roundcube/roundcubemail/commit/703318e6a59515b73b0d8aa2a91e346b02f56baa>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-48847) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_