Skip to content
OpenAdvisories
High · 7.5 CVE-2026-119119 EUVD-2026-113186GHSA-wh3g-v33g-c47f

Crawl4AI before 0.9.5 Denial of Service via Unbounded CrawlerRunConfig Delay Fields

Published Oct 29, 2026 · Updated Nov 4, 2026 · Assigned by VulnCheck

Description

Crawl4AI before 0.9.5 contains a denial of service vulnerability in the Docker API server where _clamp_untrusted() fails to cap the delay_before_return_html, mean_delay, and max_range fields of untrusted CrawlerRunConfig bodies. Unauthenticated attackers can send huge values to /crawl or /crawl/stream to hold browser pages or stall the rate limiter, exhausting the page pool and blocking other crawls.

Affected products

VendorProductAffectedFixed
unclecode crawl4ai < 0.9.5 0.9.5

References