CVE-2026-56259

Summary

Crawl4AI before 0.8.8 contains credential exfiltration vulnerabilities in the Docker API server that allow attackers to redirect LLM API calls to attacker-controlled endpoints and read arbitrary environment variables. Attackers can exploit the unauthenticated /md, /llm, and /llm/job endpoints by supplying a malicious base_url parameter and setting api_token to env:VARIABLE_NAME to exfiltrate provider API keys and server secrets including JWT SECRET_KEY for authentication bypass.

Affected Software

Weaknesses

• CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

References

• https://github.com/unclecode/crawl4ai/security/advisories/GHSA-f989-c77f-r2cq
• https://www.vulncheck.com/advisories/crawl4ai-llm-credential-exfiltration-via-base-url-and-environment-variable-resolution

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