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Advisories

Crawl4AI 0.7.0 before 0.9.4 SSRF via link_preview_config URL Seeder

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severity
critical
date
Affecting

  • crawl4ai >= 0.7.0, < 0.9.4

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 0.7.0 before 0.9.4 contains a server-side request forgery vulnerability that allows API clients to reach internal addresses by enabling link_preview_config on /crawl requests. Attackers can supply a controlled page with include_external and include_patterns set, causing AsyncUrlSeeder to fetch internal, private, and cloud-metadata links and return their parsed head data.

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