CVE-2026-119119：Crawl4AI 0.9.5 之前版本因 CrawlerRunConfig 延遲欄位未受限而導致拒絕服務漏洞
CVE-2026-119119 - Crawl4AI before 0.9.5 Denial of Service via Unbounded CrawlerRunConfig Delay Fields
summary_zh: Crawl4AI 在 0.9.5 之前版本存在一個拒絕服務漏洞，未受限的 CrawlerRunConfig 延遲欄位（delay_before_return_html、mean_delay、max_range）允許未授權攻擊者傳送極大值至 /crawl 或 /crawl/stream，從而耗盡頁面池並阻塞其他爬取。
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.
Impact
Affected Products
The following products are affected by CVE-2026-119119
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 |
Update Crawl4AI to a version that addresses the Docker API denial of service vulnerability by properly validating configuration inputs.
- Update Crawl4AI to version 0.9.5 or later.
- Validate all inputs to the Docker API server.
- Implement strict limits on configuration parameters.
- Monitor API for excessive resource consumption.
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