High severity8.2NVD Advisory· Published Jul 12, 2026· Updated Jul 14, 2026
CVE-2026-56259
CVE-2026-56259
Description
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 products
2Patches
Vulnerability mechanics
References
2- github.com/unclecode/crawl4ai/security/advisories/GHSA-f989-c77f-r2cqnvdVendor AdvisoryMitigation
- www.vulncheck.com/advisories/crawl4ai-llm-credential-exfiltration-via-base-url-and-environment-variable-resolutionnvdThird Party Advisory
News mentions
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