{"id":"CVE-2026-119119","state":"PUBLISHED","title":"Crawl4AI before 0.9.5 Denial of Service via Unbounded CrawlerRunConfig Delay Fields","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.","publishedAt":"2026-10-29T15:58:03.704Z","updatedAt":"2026-10-29T15:58:03.704Z","severity":{"score":8.7,"label":"High","version":"4.0","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","source":"VulnCheck"},"assigner":"VulnCheck","products":["unclecode crawl4ai"],"affected":[{"vendor":"unclecode","product":"crawl4ai","packageURL":"pkg:pypi/crawl4ai","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.9.5","versionType":"semver"},{"version":"0.9.5","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/unclecode/crawl4ai/security/advisories/GHSA-rhjm-7hj7-75fx","https://www.vulncheck.com/advisories/crawl4ai-before-0.9.5-denial-of-service-via-unbounded-crawlerrunconfig-delay-fields"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/119xxx/CVE-2026-119119.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-119119","state":"PUBLISHED","datePublished":"2026-10-29T15:58:03.704Z","dateUpdated":"2026-10-29T15:58:03.704Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-29T14:25:14.745Z"},"containers":{"cna":{"title":"Crawl4AI before 0.9.5 Denial of Service via Unbounded CrawlerRunConfig Delay Fields","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"unclecode","product":"crawl4ai","packageURL":"pkg:pypi/crawl4ai","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.9.5","versionType":"semver"},{"version":"0.9.5","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-rhjm-7hj7-75fx","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-rhjm-7hj7-75fx)"},{"url":"https://www.vulncheck.com/advisories/crawl4ai-before-0.9.5-denial-of-service-via-unbounded-crawlerrunconfig-delay-fields","name":"VulnCheck Advisory: Crawl4AI before 0.9.5 Denial of Service via Unbounded CrawlerRunConfig Delay Fields","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-29T15:58:03.704Z"},"datePublic":"2026-10-15T00:00:00.000Z","credits":[{"lang":"en","value":"liuchunyi-buaa","type":"reporter"},{"lang":"en","value":"ntohidi","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}