CVE-2026-91943: Unclecode CRAWL4AI

High severity, CVSS 7.7. EPSS: 0.4% chance of exploitation in the next 30 days.

Crawl4AI before 0.9.3 contains a server-side request forgery vulnerability in PDFContentScrapingStrategy where _get_pdf_path() re-downloads targets with Python requests without egress validation. Authenticated attackers can supply URLs that redirect to internal addresses or use DNS rebinding to access internal services, exfiltrating responses through PDF text extraction in crawl results.

Affected products

• Unclecode CRAWL4AI: before 0.9.3 (fixed in 0.9.3)

Published 2026-09-15. Last modified 2026-09-16.