---
cve: "CVE-2026-3690"
severity: "HIGH"
cvss: 7.4
epss: "67%"
vendor: "OpenClaw"
kev: false
exploited: false
published: "2026-04-11 01:16:15"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T12:18:15+02:00"
---

# CVE-2026-3690

> 7.4 HIGH · 🧪 PoC

## Beschreibung

OpenClaw Canvas Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of OpenClaw. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the implementation of the the authentication function for canvas endpoints. The issue results from improper implementation of authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-29311.

## CVSS-Vektor

```
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
```

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

## Patch verfügbar (OSV)

- 2c05cbb43e48ebad03626d3125746fb1b9a8520f (Commit)

## Referenzen

- <https://www.zerodayinitiative.com/advisories/ZDI-26-228/>
- <https://github.com/openclaw/openclaw/security/advisories/GHSA-vvjh-f6p9-5vcf>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-3690) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_