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Vulnerability record · CVE-2026-57573 · published 6 July 2026

CVE-2026-57573: Kidocode crawl4ai server-side request forgery (ssrf) vulnerability

Kidocode · Crawl4ai

Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, the Docker API server applied its SSRF destination check on the non-streaming /crawl path but not on the streaming path. handle_stream_crawl_request passed seed URLs straight to the crawler with no destination validation, allowing a remote unauthenticated client to call POST /crawl/stream or POST /crawl with crawler_config.stream=true with a URL pointing at an internal, private, or link-local address; the server fetched it and streamed the response body back. This issue is fixed in version 0.9.0.

8.6 CVSS 3.1 High EPSS 0.45% · top 63.8% CWE-918 · Server-side request forgery (SSRF)
8.6CVSS 3.1 base score
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
7 Jul 2026Last modified by NVD

Description

Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, the Docker API server applied its SSRF destination check on the non-streaming /crawl path but not on the streaming path. handle_stream_crawl_request passed seed URLs straight to the crawler with no destination validation, allowing a remote unauthenticated client to call POST /crawl/stream or POST /crawl with crawler_config.stream=true with a URL pointing at an internal, private, or link-local address; the server fetched it and streamed the response body back. This issue is fixed in version 0.9.0.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/unclecode/crawl4ai/commit/60886d1a0c52682e4c83a7cef9dfac417fff6bd2 Patch
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-wm69-2pc3-rmmf MitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2026-57572Kidocode crawl4ai argument injection vulnerabilityCrawl4AI 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…EPSS 0.94%10.0CVE-2026-53753Kidocode crawl4ai code injection vulnerabilityCrawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.7, the _safe_eval_expression() function in the computed fields feature us…EPSS 2.9%10.0CVE-2026-26216Kidocode crawl4ai code injection vulnerabilityCrawl4AI versions prior to 0.8.0 contain a remote code execution vulnerability in the Docker API deployment. The /crawl endpoint accepts a hooks para…EPSS 1.7%9.6CVE-2026-57571Kidocode crawl4ai path traversal vulnerabilityCrawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, when the crawler saves a downloaded file, the destination filename w…EPSS 0.81%9.3CVE-2026-56265Kidocode crawl4ai hard-coded credentials vulnerabilityCrawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers …EPSS 2.6%9.2CVE-2026-56261Kidocode crawl4ai server-side request forgery (ssrf) vulnerabilityCrawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which…EPSS 0.51%9.2CVE-2026-56264Kidocode crawl4ai code injection vulnerabilityCrawl4AI before 0.8.7 contains an arbitrary JavaScript execution vulnerability in the Docker API server's /execute_js endpoint, which accepts and exe…EPSS 0.49%9.2CVE-2026-56258Kidocode crawl4ai path traversal vulnerabilityCrawl4AI before 0.8.8 contains an arbitrary file write vulnerability in the screenshot and PDF endpoints that allows unauthenticated attackers to wri…EPSS 0.91%

Source: NIST National Vulnerability Database (record CVE-2026-57573), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.