CVE-2026-109239 [MEDIUM] – Crawl4AI before 0.9.4 contains a blind server-side request forgery vulnerability in Robots

Crawl4AI before 0.9.4 contains a blind server-side request forgery vulnerability in RobotsParser.can_fetch that lets unauthenticated attackers bypass Docker server egress controls. Attackers can enable check_robots_txt and use redirects or DNS rebinding to reach internal, loopback, or cloud-metadata addresses for service discovery.