Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| unclecode | crawl4ai | < 0.9.4 | 0.9.4 |
References
- GitHub Security Advisory (GHSA-f77g-77vp-r96v) vendor-advisory
- VulnCheck Advisory: Crawl4AI before 0.9.4 Blind SSRF via RobotsParser.can_fetch robots.txt Fetch third-party-advisory