Server-side Request Forgery (SSRF) Affecting crawl4ai package, versions [,0.8.8)
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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Test your applications- Snyk IDSNYK-PYTHON-CRAWL4AI-17661137
- published28 Jun 2026
- disclosed16 Jun 2026
- creditgeo-chen
Introduced: 16 Jun 2026
CVE-2026-56259 (opens in a new tab)How to fix?
Upgrade Crawl4AI to version 0.8.8 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 base_url parameter in API requests and the resolution of environment variables in the LLM configuration process. An attacker can obtain sensitive server-held secrets, such as provider API keys or authentication tokens, by supplying a malicious base_url or referencing protected environment variables in the request.