CVE-2026-56264 — Crawl4AI - Arbitrary JavaScript Execution via /execute_js Endpoint
Crawl4AI before 0.8.7 contains an arbitrary JavaScript execution vulnerability in the Docker API server's /execute_js endpoint, which accepts and executes arbitrary user-supplie…
Published: 2026-06-30 · CVSS: 9.2 · CVSS 4.0
Crawl4AI before 0.8.7 contains an arbitrary JavaScript execution vulnerability in the Docker API server's /execute_js endpoint, which accepts and executes arbitrary user-supplied JavaScript in the server's browser context with --disable-web-security enabled. An attacker can execute arbitrary JavaScript and, combined with the browser's relaxed security settings, perform server-side request forgery against internal services.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7