Published At-23 Jun, 2026 | 19:17
Updated At-23 Jun, 2026 | 19:22
Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.9, the Docker API server applied its SSRF destination check to the crawl target URL only, not to the proxy address. An unauthenticated request could supply a proxy pointing at an internal IP and route the browser through it, reaching internal services and cloud-metadata endpoints, while using a perfectly valid crawl URL. The Docker API is unauthenticated by default. /crawl, /crawl/stream, and /crawl/job accept a browser_config (and crawler_config). The following all feed Chromium's egress and were unchecked: browser_config.proxy_config.server, browser_config.proxy (deprecated field), crawler_config.proxy_config.server, and --proxy-server / --proxy-pac-url / --proxy-bypass-list / --host-resolver-rules flags in browser_config.extra_args. This vulnerability is fixed in 0.8.9.
CISA Catalog
| Date Added | Due Date | Vulnerability Name | Required Action |
|---|
| N/A | | |
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
| Type | Version | Base score | Base severity | Vector |
|---|
| Secondary | 3.1 | 8.6 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
Type: Secondary
Version: 3.1
Base score: 8.6
Base severity: HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Weaknesses
| CWE ID | Type | Source |
|---|
| CWE-918 | Primary | security-advisories@github.com |
Type: Primary
Source: security-advisories@github.com
Change History
0Changes found