---
cve: "CVE-2026-48848"
severity: "HIGH"
cvss: 7.2
epss: "39%"
vendor: "Roundcube"
kev: false
exploited: false
published: "2026-05-25 20:16:37"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T02:53:47+02:00"
---

# CVE-2026-48848

> 7.2 HIGH · 🧪 PoC

## Beschreibung

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- ea1798a6fbf060abcc0ba73b2435036bf8016a5a (Commit)
- d40ec266240f2456a52c24ef2848e18bbfb5c300 (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/c960d102472dc579e15907d5bcdc3103a090ccf9>
- <https://github.com/roundcube/roundcubemail/releases/tag/1.6.16>
- <https://github.com/roundcube/roundcubemail/commit/58e5263f341e6a418774fb6d2643669a3c4d8a27>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-48848) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_