{"id":"CVE-2026-91940","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-91940","summary":"crawl4ai before 0.9.3 contains an arbitrary file write vulnerability in PDFContentScrapingStrategy where the _filter_untrusted_fields function fails to validate untrusted configuration…","details":"crawl4ai before 0.9.3 contains an arbitrary file write vulnerability in PDFContentScrapingStrategy where the _filter_untrusted_fields function fails to validate untrusted configuration fields. Attackers can submit crafted config bodies with malicious image_save_dir paths to write attacker-controlled bytes into any directory accessible to the service account.","published":"2026-09-15T16:17:45.460","modified":"2026-09-15T16:17:45.460","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-xpp7-j28w-2gvx"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/crawl4ai-before-0.9.3-arbitrary-file-write-via-pdfcontentscrapingstrategy"},{"type":"WEB","url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-xpp7-j28w-2gvx"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-15T16:17:45.460"}}