CVE-2026-56259
Crawl4AI - LLM Credential Exfiltration via base_url and Environment Variable Resolution
CVSS Score
8.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-200 |
| Vendor | crawl4ai |
| Product | crawl4ai |
| Published | Jul 12, 2026 |
| Last Updated | Jul 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
Crawl4AI / Crawl4AI
0 < 0.8.8
References
Credits
🔍 geo-chen