CVE-2026-91941Crawl4AI before 0.9.3 Denial of Service via PDFContentScrapingStrategy
Updated under an hour ago ()
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It affects unclecode crawl4ai. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-400
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
unclecode crawl4ai unclecode:crawl4ai (from the name) | before 0.9.3; 0.9.3 not affected | CNA record |
References
- https://github.com/unclecode/crawl4ai/security/advisories/GHSA-v2rm-hvrj-2x9qvendor-advisory
- https://www.vulncheck.com/advisories/crawl4ai-before-0.9.3-denial-of-service-via-pdfcontentscrapingstrategythird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.