CVE-2026-91940

Description

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.

CVSS Vector

References

• https://github.com/unclecode/crawl4ai/security/advisories/GHSA-xpp7-j28w-2gvx
• https://www.vulncheck.com/advisories/crawl4ai-before-0.9.3-arbitrary-file-write-via-pdfcontentscrapingstrategy
• https://github.com/unclecode/crawl4ai/security/advisories/GHSA-xpp7-j28w-2gvx