{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-56266/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-22T21:04:44.755Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-56266","@id":"https://www.cve.org/CVERecord?id=CVE-2026-56266","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."},"products":[{"@id":"cpe:2.3:a:crawl4ai:crawl4ai:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:crawl4ai:crawl4ai:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 0.8.7.","timestamp":"2026-06-22T21:04:44.755Z"}]}