CVE-2026-91941
Crawl4AI before 0.9.3 Denial of Service via PDFContentScrapingStrategy
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 15, 2026
- Updated
- Sep 20, 2026
- Reserved
- Sep 15, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-400 Uncontrolled Resource Consumption
Affected Products
| Product | Versions |
|---|---|
crawl4aiunclecode |
|
References
- GitHub Security Advisory (GHSA-v2rm-hvrj-2x9q)vendor-advisory
- VulnCheck Advisory: Crawl4AI before 0.9.3 Denial of Service via PDFContentScrapingStrategythird-party-advisory
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