CVE-2026-56266

脆弱性の種類

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.

影響を受ける製品

• kidocode crawl4ai

参考情報

• 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