---
cve: "CVE-2026-56265"
severity: "CRITICAL"
cvss: 9.3
epss: "2.6%"
vendor: "Crawl4AI"
kev: false
exploited: false
published: "2026-06-21 14:16:24"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T07:48:04+02:00"
---

# CVE-2026-56265

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected functionality.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 7b280d36b150b544bf0994285b4755dca18c2149 (Commit)

## Referenzen

- <https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg>
- <https://github.com/unclecode/crawl4ai>
- <https://www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-key>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-56265) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_