CVE-2026-91941
Crawl4AI before 0.9.3 Denial of Service via PDFContentScrapingStrategy
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-400 |
| Vendor | unclecode |
| Product | crawl4ai |
| Published | Sep 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
unclecode / crawl4ai
0 < 0.9.3
References
Credits
🔍 c240030