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// CVE · PUBLISHED 2026-06-22

CVE-2026-56266

Crawl4AI / Crawl4AI

9.2 · CVSS 4.0Critical

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.

References

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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.