{"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":"2026-07-14T21:34:12.124Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-07-14T21:34:12.124Z"},"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"}]}],"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: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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-01T14:59:05.343380Z","id":"CVE-2026-56264","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2026-07-01T14:59:24.723Z"}}]}}