CVE-2026-57572
Crawl4AI: Unauthenticated RCE via Chromium launch-argument injection in browser_config.extra_args
CVSS Score
10.0
EPSS Score
0.5%
EPSS Percentile
41th
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.
| CWE | CWE-88 CWE-94 |
| Vendor | unclecode |
| Product | crawl4ai |
| Published | Jul 6, 2026 |
| Last Updated | Jul 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
unclecode / crawl4ai
< 0.9.0