---
cve: "CVE-2026-50083"
severity: "CRITICAL"
cvss: 9.1
epss: "36%"
vendor: "Aqara"
kev: false
exploited: false
published: "2026-06-12 16:16:31"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T17:47:32+02:00"
---

# CVE-2026-50083

> 9.1 CRITICAL · 🧪 PoC

## Beschreibung

The Aqara IAM/SSO Gateway (gw-builder.aqara.com) used a hardcoded OAuth client credential, which is an instance of "CWE-798: Use of Hard-coded Credentials." This issue has an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N (9.1 Critical). When combined with CVE-2026-50082, CVE-50084, and CVE-50085, this can lead to a fully unauthenticated, remote takeover of affected devices.

## CVSS-Vektor

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

| 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 | Keine | good |

## Schwachstellen-Klasse

- **CWE-798** — Use of Hard-coded Credentials
  The product contains hard-coded credentials, such as a password or cryptographic key.

## Angriffsmuster (CAPEC)

- [CAPEC-70 — Try Common or Default Usernames and Passwords](https://capec.mitre.org/data/definitions/70.html) _(Severity: High)_
- [CAPEC-191 — Read Sensitive Constants Within an Executable](https://capec.mitre.org/data/definitions/191.html) _(Severity: Low)_

## ATT&CK-Techniken

- [T1078.001 — Valid Accounts:Default Accounts](https://attack.mitre.org/techniques/T1078/001/)
- [T1552.001 — Unsecured Credentials:Credentials in files](https://attack.mitre.org/techniques/T1552/001/)

## Referenzen

- <https://github.com/xn0tsa/theres-no-place-like-home>
- <https://www.runzero.com/advisories/aqara-hardcoded-oauth-cve-2026-50083>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-50083) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_