SSRF in Kidocode Crawl4ai
CVE-2026-53754
Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.8, the Docker API server's SSRF protection (validate_webhook_url / validate_url_destination in deploy/docker/utils.py) used an explicit IPv4/IPv6 CIDR blocklist th…
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.003 (18.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Kidocode Crawl4ai
- Unclecode Crawl4ai — versions < 0.8.8
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2026-53754?
- CVE-2026-53754 is a high-severity vulnerability in Kidocode Crawl4ai, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-06-23.
- How severe is CVE-2026-53754?
- High severity. CVSS v3 base score is 7.5 out of 10.