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OpenAdvisories
High · 7.5 CVE-2026-91941 EUVD-2026-78798GHSA-35gf-m9jx-8qmx

Crawl4AI before 0.9.3 Denial of Service via PDFContentScrapingStrategy

Published Sep 15, 2026 · Updated Sep 20, 2026 · Assigned by VulnCheck

Description

Crawl4AI before 0.9.3 contains an uncontrolled resource consumption vulnerability in PDFContentScrapingStrategy that allows untrusted clients to cause denial of service. Attackers can select the PDF scraping strategy in POST requests to download large remote PDFs without size or page limits, exhausting disk, CPU, and bandwidth on shared workers.

Affected products

VendorProductAffectedFixed
unclecode crawl4ai < 0.9.3 0.9.3

References