Advisories

Crawl4AI - LLM Credential Exfiltration via base_url and Environment Variable Resolution

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severity
high
date
Affecting
  • Crawl4AI >= 0, < 0.8.8

CWE
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CVSS
8.8
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
geo-chen
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.

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