{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-115508", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-22T16:15:00.201Z", "datePublished": "2026-10-22T19:14:07.893Z", "dateUpdated": "2026-10-29T02:36:22.691Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-22T19:14:07.893Z" }, "datePublic": "2026-10-02T00:00:00.000Z", "title": "Crawl4AI 0.7.0 before 0.9.5 ReDoS via /crawl Regex Fields", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Inefficient Regular Expression Complexity", "cweId": "CWE-1333", "type": "CWE" } ] } ], "affected": [ { "vendor": "unclecode", "product": "crawl4ai", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/crawl4ai", "versions": [ { "version": "0.7.0", "status": "affected", "versionType": "semver", "lessThan": "0.9.5" }, { "version": "0.9.5", "status": "unaffected", "versionType": "semver" } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" } } ], "references": [ { "url": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-j843-8p47-rhxp", "tags": [ "vendor-advisory" ], "name": "GitHub Security Advisory (GHSA-j843-8p47-rhxp)" }, { "url": "https://github.com/unclecode/crawl4ai/commit/8aea2006e2cdb96a185e50b20633fc323dff6429", "tags": [ "patch" ] }, { "url": "https://github.com/unclecode/crawl4ai/releases/tag/v0.9.5", "tags": [ "release-notes" ], "name": "crawl4ai v0.9.5 Release Notes" }, { "url": "https://github.com/unclecode/crawl4ai", "tags": [ "product" ] }, { "name": "VulnCheck Advisory: Crawl4AI 0.7.0 before 0.9.5 ReDoS via /crawl Regex Fields", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/crawl4ai-0.7.0-before-0.9.5-redos-via-crawl-regex-fields" } ], "credits": [ { "lang": "en", "value": "Zhixi Sun (manus-use)", "type": "finder" }, { "lang": "en", "value": "Siyang Wu", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "references": [ { "url": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-j843-8p47-rhxp", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-29T02:35:54.130520Z", "id": "CVE-2026-115508", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-29T02:36:22.691Z" } } ] } }