CVE-2026-56266

Crawl4AI - Server-Side Request Forgery via Direct Crawl Endpoints

CVSS 9.2 CRITICALEPSS 0.3%CWE-918

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.

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

Produtos afetados

Crawl4AI · Crawl4AI

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Referências

https://github.com/unclecode/crawl4ai https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg https://www.vulncheck.com/advisories/crawl4ai-server-side-request-forgery-via-direct-crawl-endpoints