Vulnerability details
CVE-2026-91941
unclecode Crawl4AI
Crawl4AI before 0.9.3 Denial of Service via PDFContentScrapingStrategy
CVSS 4.0
8.7High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| unclecode | Crawl4AI | v < 0.9.3 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-09-15
- Last updated
- 2026-09-20
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.48%
Probability of exploitation in 30 days
42.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-400Uncontrolled Resource Consumption