CVE-2026-57572
Critical
Description
Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, the Docker API server accepted request-supplied browser_config.extra_args, which flowed into Chromium's launch arguments. An attacker could inject Chromium switches that replace a child-process launch command together with --no-zygote, causing Chromium to fork or exec an attacker-controlled command as the container's runtime user. The Docker API is unauthenticated by default, so a single request yields arbitrary command execution. This issue is fixed in version 0.9.0.
SeverityCritical
CVSS10.0
Exploit probability—
ProductKidocode Crawl4ai
PublishedJul 6, 2026
First seenJul 6, 2026
Weakness typeCWE-88CWE-88CWE-94Code injection
How to fix
Update
- kidocode crawl4ai0.9.0 or later
- crawl4ai0.9.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| kidocode crawl4ai | v < 0.9.0 | 0.9.0 |
| crawl4aiPyPI | v < 0.9.0 | 0.9.0 |
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