CVE-2026-109239

CVSS 6.9 (medium) · published 2026-10-12

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.

Weakness: CWE-918

Source: NVD CVE-2026-109239

References

• https://github.com/unclecode/crawl4ai/security/advisories/GHSA-f77g-77vp-r96v
• https://www.vulncheck.com/advisories/crawl4ai-before-0.9.4-blind-ssrf-via-robotsparser-can-fetch-robots-txt-fetch

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