---
cve: "CVE-2026-29198"
severity: "CRITICAL"
cvss: 9.8
epss: "42%"
vendor: "Rocket.Chat"
kev: false
exploited: false
published: "2026-04-23 00:16:45"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T11:11:04+02:00"
---

# CVE-2026-29198

> 9.8 CRITICAL · 🧪 PoC

## Beschreibung

In Rocket.Chat <8.3.0, <8.2.1, <8.1.2, <8.0.3, <7.13.5, <7.12.6, <7.11.6, and <7.10.9, a NoSQL injection vulnerability can lead to account takeover of the first user with a generated token when an OAuth app is configured.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- d439937001921056bbf876a3ead537ac84220d39 (Commit)
- 733a560c88c7236f159a951db554897736a04f9d (Commit)

## Referenzen

- <https://hackerone.com/reports/3564655>
- <https://github.com/RocketChat/Rocket.Chat/pull/39492>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-29198) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_