---
cve: "CVE-2026-75007"
severity: "MEDIUM"
cvss: 5.4
epss: "25%"
vendor: "Roundcube"
kev: false
exploited: false
published: "2026-08-17 13:16:55"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T00:55:31+02:00"
---

# CVE-2026-75007

> 5.4 MEDIUM · 🧪 PoC

## Beschreibung

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the LDAP search filter was subject to injection via unescaped %u/%fu/%d substitution, which may lead to information disclosure or privilege escalation.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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 | Unverändert | good |
| 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/e6cc1e121effeaec6d916feb4e019d2828924540>
- <https://github.com/roundcube/roundcubemail/releases/tag/1.7.3>
- <https://github.com/roundcube/roundcubemail/commit/0893e192adf803c7a5a89fafc80278257e1bcf65>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-75007) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_