{"id":"CVE-2026-115508","aliases":[],"cve":{"records":[{"id":"CVE-2026-115508","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-22T16:15:00.201Z","published":"2026-10-22T19:14:07.893Z","modified":"2026-10-29T02:36:22.691Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-22T19:14:07.893Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T02:36:22.691Z"}],"references":[{"url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-j843-8p47-rhxp","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://github.com/unclecode/crawl4ai/commit/8aea2006e2cdb96a185e50b20633fc323dff6429","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/unclecode/crawl4ai/releases/tag/v0.9.5","tags":["release-notes"],"source":"VulnCheck"},{"url":"https://github.com/unclecode/crawl4ai","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/crawl4ai-0.7.0-before-0.9.5-redos-via-crawl-regex-fields","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-j843-8p47-rhxp","tags":["exploit"],"source":"CISA-ADP"}],"weaknesses":[{"id":"CWE-1333","description":"Inefficient Regular Expression Complexity","source":"VulnCheck"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T02:35:54.130520Z","decisions":[{"name":"Exploitation","value":"poc"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Crawl4AI 0.7.0 before 0.9.5 ReDoS via /crawl Regex Fields","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"Crawl4AI 0.7.0 before 0.9.5 contains an inefficient regular expression complexity vulnerability in the Docker API server that allows authenticated API clients to supply unbounded regular expressions in /crawl request bodies. Attackers can submit catastrophic-backtracking patterns via RegexExtractionStrategy.custom, RegexChunking.patterns or JsonCss, JsonXPath and JsonLxml schema regex fields against a crafted page to freeze the entire server, including /health.","score":7.1,"severity":"high","published":"2026-10-22T19:14:07.893Z","modified":"2026-10-29T02:36:22.691Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"unclecode","name":"crawl4ai","platforms":[],"versions":[{"version":"0.7.0","status":"affected","lessThan":"0.9.5","versionType":"semver"},{"version":"0.9.5","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:pypi/crawl4ai","packageIdentity":{"ecosystem":"PyPI","name":"crawl4ai"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-115508"}],"remediation":[],"references":["https://github.com/unclecode/crawl4ai/security/advisories/GHSA-j843-8p47-rhxp","https://github.com/unclecode/crawl4ai/commit/8aea2006e2cdb96a185e50b20633fc323dff6429","https://github.com/unclecode/crawl4ai/releases/tag/v0.9.5","https://github.com/unclecode/crawl4ai","https://www.vulncheck.com/advisories/crawl4ai-0.7.0-before-0.9.5-redos-via-crawl-regex-fields"],"sources":[{"name":"CVE","id":"CVE-2026-115508","modified":"2026-10-29T02:36:22.691Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-115508"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":7.1},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5}],"sourceAffected":[],"observedAt":"2026-10-29T14:34:27.576Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T09:10:30.844Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T08:00:34.394Z","attemptedAt":"2026-10-29T08:00:34.394Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T08:00:33.272Z","attemptedAt":"2026-10-29T08:00:33.272Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T08:00:32.469Z","attemptedAt":"2026-10-29T08:00:32.469Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T08:00:31.954Z","attemptedAt":"2026-10-29T08:00:31.954Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-115508","url":"https://www.first.org/epss/","probability":0.00305,"percentile":0.23205,"date":"2026-10-28","checkedAt":"2026-10-29T08:00:31.954Z"},{"source":"ENISA EUVD","id":"EUVD-2026-108340","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108340","modified":"Oct 29, 2026, 2:36:22 AM","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","checkedAt":"2026-10-29T08:00:32.469Z"},{"source":"GitHub Advisory Database","id":"GHSA-q4c3-mqc5-j3m8","url":"https://github.com/advisories/GHSA-q4c3-mqc5-j3m8","modified":"2026-10-22T21:32:59Z","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-10-29T08:00:33.272Z"},{"source":"NVD","id":"CVE-2026-115508","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115508","modified":"2026-10-29T04:18:28.493","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-29T08:00:34.394Z"},{"source":"NVD","id":"CVE-2026-115508","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115508","modified":"2026-10-29T04:18:28.493","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-10-29T08:00:34.394Z"}],"aiSummary":{"text":"Crawl4AI versions before 0.9.5 have a regular expression complexity vulnerability, allowing authenticated API clients to submit patterns that can freeze the server. The weakness is in the Docker API server's /crawl request bodies. Authenticated access is required to exploit this vulnerability.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T08:45:16.088Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-115508"}]}}