{"id":"CVE-2026-109239","summary":"Crawl4AI before 0.9.4 Blind SSRF via RobotsParser.can_fetch robots.txt Fetch","details":"Crawl4AI before 0.9.4 contains a blind server-side request forgery vulnerability in RobotsParser.can_fetch that lets unauthenticated attackers bypass Docker server egress controls. Attackers can enable check_robots_txt and use redirects or DNS rebinding to reach internal, loopback, or cloud-metadata addresses for service discovery.","aliases":["GHSA-f77g-77vp-r96v"],"modified":"2026-10-13T02:45:54.251588585Z","published":"2026-10-12T16:04:16.402Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-918"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109239.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109239.json"},{"type":"ADVISORY","url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-f77g-77vp-r96v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109239"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/crawl4ai-before-0.9.4-blind-ssrf-via-robotsparser-can-fetch-robots-txt-fetch"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/unclecode/crawl4ai","events":[{"introduced":"0"},{"fixed":"133e1d92e37885dfccc03ea2e3687d06c98b7ceb"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.9.4"}],"source":"AFFECTED_FIELD"}}],"versions":["v0.9.0","docker-rebuild-v0.9.0","v0.8.9","docker-rebuild-v0.8.9","v0.8.8","docker-rebuild-v0.8.8","v0.8.7","docker-rebuild-v0.8.7","docker-rebuild-v0.8.6","v0.8.6","v0.7.4","v0.7.3","v0.7.2","v0.7.1","v0.7.0","vr0.6.3","v0.6.3","vr0.6.0","vr0.6.0rc1","v0.5.0.post1","v0.4.243","v0.4.24","v0.3.745","v.3.72","v0.3.6","0.3.4","v0.3.3","v0.3.0","v0.2.77","v0.0.75","v0.2.74","v0.2.73","v0.2.72","v0.2.71","v0.2.7","v0.2.6","v0.2.4","v0.2.1","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109239.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}