---
cve: "CVE-2026-33670"
severity: "CRITICAL"
cvss: 9.8
epss: "0.6%"
vendor: "siyuan-note"
kev: false
exploited: false
published: "2026-03-26 22:16:30"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-08T19:02:44+02:00"
---

# CVE-2026-33670

> 9.8 CRITICAL · 🧪 PoC

## Beschreibung

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the /api/file/readDir interface was used to traverse and retrieve the file names of all documents under a notebook. Version 3.6.2 patches the issue.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **yes**
  - Technical Impact: **total**

## 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)

- 29b104f338f9b0cdda0df852871a09a6268ced2f (Commit)

## Referenzen

- <https://github.com/siyuan-note/siyuan/security/advisories/GHSA-xmw9-6r43-x9ww>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-33670/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_