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CVE-2026-91941

Crawl4AI before 0.9.3 Denial of Service via PDFContentScrapingStrategy

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 0.9.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • unclecode crawl4ai

    fixed in 0.9.3

References 2

GitHub · unclecode/crawl4ai

vulncheck.com