Server-side Request Forgery (SSRF) Affecting crawl4ai package, versions [,0.9.4)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Oct 2026
- disclosed12 Oct 2026
- creditUnknown
Introduced: 12 Oct 2026
NewCVE-2026-109239 (opens in a new tab)How to fix?
Upgrade Crawl4AI to version 0.9.4 or higher.
Overview
Crawl4AI is a 🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & scraper
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the RobotsParser.can_fetch process. An attacker can access internal, loopback, or cloud-metadata addresses by enabling check_robots_txt and leveraging redirects or DNS rebinding techniques to bypass egress controls.