{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-56266", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-20T01:42:20.615Z", "datePublished": "2026-06-22T21:04:44.755Z", "dateUpdated": "2026-07-14T21:34:13.452Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-14T21:34:13.452Z" }, "datePublic": "2026-06-16T00:00:00.000Z", "title": "Crawl4AI - Server-Side Request Forgery via Direct Crawl Endpoints", "descriptions": [ { "lang": "en", "value": "Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reach internal services and cloud metadata endpoints." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Server-Side Request Forgery (SSRF)", "cweId": "CWE-918", "type": "CWE" } ] } ], "affected": [ { "vendor": "Crawl4AI", "product": "Crawl4AI", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/crawl4ai", "versions": [ { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "0.8.7" }, { "version": "0.8.7", "status": "unaffected", "versionType": "semver" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:kidocode:crawl4ai:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.8.7" } ] } ] } ], "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:N/VA:N/SC:H/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.2, "baseSeverity": "CRITICAL" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH" } } ], "references": [ { "url": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg", "name": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg", "tags": [ "vendor-advisory" ] }, { "url": "https://github.com/unclecode/crawl4ai", "name": "https://github.com/unclecode/crawl4ai", "tags": [ "product" ] }, { "name": "VulnCheck Advisory: Crawl4AI - Server-Side Request Forgery via Direct Crawl Endpoints", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/crawl4ai-server-side-request-forgery-via-direct-crawl-endpoints" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-23T13:56:04.470751Z", "id": "CVE-2026-56266", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-23T13:56:23.413Z" } } ] } }