[CVE-2026-56266] Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/str…

Descripción técnica

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reach internal services and cloud metadata endpoints.

Puntuación CVSS

Score: 8.6/10 — Severidad: HIGH — Estado NIST: Analyzed

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

Productos afectados

Crawl4ai — Kidocode

Debilidades (CWE)

CWE-918

Fuente oficial

Publicado en NIST NVD.