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CVE-2026-119119high8.7

Crawl4AI before 0.9.5 Denial of Service via Unbounded CrawlerRunConfig Delay Fields

Impact

Crawl4AI before 0.9.5 has a denial of service vulnerability in the Docker API server, where unauthenticated attackers can send large values to exhaust the page pool and block other crawls. The weakness is due to unbounded delay fields in CrawlerRunConfig. This affects versions less than 0.9.5.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

unclecode · VulnCheck

crawl4ai

2 ranges
VulnCheck version evidence

Package identity

pkg:pypi/crawl4aiExplore crawl4ai →

Identity supplied by VulnCheck. Version matching requires compatible range evidence.

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 0.9.5

semver versions

unaffected

0.9.5

semver versions

unknown

Other versions: unaffected

Original source 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.

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-119119

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-770 ↗

Allocation of Resources Without Limits or Throttling

VulnCheck

Related →
Contributing organizations · 1
VulnCheck

Assigning organization

2026-10-29

What changed

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References

2 sources
github.com/unclecode/crawl4ai/security/advisories/GHSA-rhjm-7hj7-75fx
vendor-advisoryVulnCheck
www.vulncheck.com/advisories/crawl4ai-before-0.9.5-denial-of-service-via-unbounded-crawlerrunconfig-delay-fields
third-party-advisoryVulnCheck