{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-56259", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-19T21:56:09.656Z", "datePublished": "2026-07-12T12:06:30.919Z", "dateUpdated": "2026-07-12T12:06:30.919Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-12T12:06:30.919Z" }, "datePublic": "2026-06-04T00:00:00.000Z", "title": "Crawl4AI - LLM Credential Exfiltration via base_url and Environment Variable Resolution", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Exposure of Sensitive Information to an Unauthorized Actor", "cweId": "CWE-200", "type": "CWE" } ] } ], "affected": [ { "vendor": "Crawl4AI", "product": "Crawl4AI", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/crawl4ai", "versions": [ { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "0.8.8" }, { "version": "0.8.8", "status": "unaffected", "versionType": "semver" } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.8, "baseSeverity": "HIGH" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH" } } ], "references": [ { "url": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-f989-c77f-r2cq", "name": "GitHub Security Advisory (GHSA-f989-c77f-r2cq)", "tags": [ "vendor-advisory" ] }, { "name": "VulnCheck Advisory: Crawl4AI - LLM Credential Exfiltration via base_url and Environment Variable Resolution", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/crawl4ai-llm-credential-exfiltration-via-base-url-and-environment-variable-resolution" } ], "credits": [ { "lang": "en", "value": "geo-chen", "type": "reporter" } ], "x_generator": { "engine": "vulncheck-endgame" } } } }