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Advisories

Crawl4AI - Server-Side Request Forgery via Direct Crawl Endpoints

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severity
high
date
Affecting

  • Crawl4AI >= 0, < 0.8.7

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
9.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Description
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.

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