{"affected":[{"defaultStatus":"unaffected","ecosystem":"pypi","packageName":"crawl4ai","product":"crawl4ai","source":"CNA: VulnCheck","vendor":"unclecode","versions":[{"lessThan":"0.9.5","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"0.9.5","versionType":"semver"}]}],"cveId":"CVE-2026-119119","cwes":["CWE-770"],"description":"Crawl4AI before 0.9.5 contains a denial of service vulnerability in the Docker API server where _clamp_untrusted() fails to cap the delay_before_return_html, mean_delay, and max_range fields of untrusted CrawlerRunConfig bodies. Unauthenticated attackers can send huge values to /crawl or /crawl/stream to hold browser pages or stall the rate limiter, exhausting the page pool and blocking other crawls.","epss":{"date":"2026-11-03","percentile":0.2968,"score":0.00359},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-rhjm-7hj7-75fx"}],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.5,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793755431754,"publishedAt":1793289483704,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-rhjm-7hj7-75fx"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/crawl4ai-before-0.9.5-denial-of-service-via-unbounded-crawlerrunconfig-delay-fields"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-rhjm-7hj7-75fx"}],"remediation":[],"revision":"35146d7a27773753bf8ea0bcf873eb3d4dad4fade865afb7bbfaaee48b67d6cf","sources":[{"modifiedAt":1793755431754,"name":"CNA: VulnCheck","retrievedAt":1793758130610,"url":"https://www.cve.org/CVERecord?id=CVE-2026-119119"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793758141522,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-119119"}],"ssvc":{"assessedAt":1793755404150,"automatable":"yes","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Crawl4AI before 0.9.5 Denial of Service via Unbounded CrawlerRunConfig Delay Fields","updatedAt":1793758141522}