CVE-2026-56259
HIGH
8.2
CVSS 3.1
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.
Metadata
Severity & Metrics
8.2
HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Crawl4AI | Crawl4AI | — | 0 < 0.8.8, 0.8.8 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-200 | cna | Exposure of Sensitive Information to an Unauthorized Actor |
CVSS scores (2)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 8.8 | HIGH | 4.0 | cna | 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 |
| 8.2 | HIGH | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
References (2)
- GitHub Security Advisory (GHSA-f989-c77f-r2cq) https://github.com/unclecode/crawl4ai/security/advisories/GHSA-f989-c77f-r2cq
- VulnCheck Advisory: Crawl4AI - LLM Credential Exfiltration via base_url and Environment Variable Resolution https://www.vulncheck.com/advisories/crawl4ai-llm-credential-exfiltration-via-base-url-and-environment-variable-resolution