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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.

PUBLISHED Reserved 2026-06-19 | Published 2026-07-12 | Updated 2026-07-14 | Assigner VulnCheck




HIGH: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
HIGH: 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Problem types

Exposure of Sensitive Information to an Unauthorized Actor

Product status

Default status
unaffected

Any version before 0.8.8
affected

0.8.8 (semver)
unaffected

Credits

geo-chen reporter

References

github.com/...awl4ai/security/advisories/GHSA-f989-c77f-r2cq (GitHub Security Advisory (GHSA-f989-c77f-r2cq)) vendor-advisory

www.vulncheck.com/...url-and-environment-variable-resolution (VulnCheck Advisory: Crawl4AI - LLM Credential Exfiltration via base_url and Environment Variable Resolution) third-party-advisory

cve.org (CVE-2026-56259)

nvd.nist.gov (CVE-2026-56259)

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