CVE-2026-91941CWE-400denial-of-service

CVE-2026-91941

High · published September 15, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
41.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
8.7 · 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
EPSS
0.00488 · 41.1th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-09-15T20:17Z
References (2)
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-v2rm-hvrj-2x9q · [email protected]https://www.vulncheck.com/advisories/crawl4ai-before-0.9.3-denial-of-service-via-pdfcontentscrapingstrategy · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 15 SEP 15:18Z
    Crawl4AI before 0.9.3 Denial of Service via PDFContentScrapingStrategy
    cvelistv5