{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56264", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-20T01:42:20.615Z", "datePublished": "2026-06-30T22:08:26.600Z", "dateUpdated": "2026-06-30T22:08:26.600Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-30T22:08:26.600Z"}, "datePublic": "2026-06-16T00:00:00.000Z", "title": "Crawl4AI - Arbitrary JavaScript Execution via /execute_js Endpoint", "descriptions": [{"lang": "en", "value": "Crawl4AI before 0.8.7 contains an arbitrary JavaScript execution vulnerability in the Docker API server's /execute_js endpoint, which accepts and executes arbitrary user-supplied JavaScript in the server's browser context with --disable-web-security enabled. An attacker can execute arbitrary JavaScript and, combined with the browser's relaxed security settings, perform server-side request forgery against internal services."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Control of Generation of Code ('Code Injection')", "cweId": "CWE-94", "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"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.2, "baseSeverity": "CRITICAL"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.1, "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 - Arbitrary JavaScript Execution via /execute_js Endpoint", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/crawl4ai-arbitrary-javascript-execution-via-execute-js-endpoint"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.8.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "0.8.7"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Crawl4AI", "source": "cna", "vendor": "Crawl4AI"}, "product": "crawl4ai", "vendor": "crawl4ai"}], "created": "2026-06-30T23:30:04.841186+00:00", "updated": "2026-07-01T03:45:03.401129+00:00", "vendors": ["crawl4ai", "crawl4ai$PRODUCT$crawl4ai"]}