Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck

CVE-2026-109238Crawl4AI 0.7.0 before 0.9.4 SSRF via link_preview_config URL Seeder

High 8.6

In plain English

A high-severity server-side request forgery in crawl4ai from unclecode. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)8.6High

Exploit odds (30 days)0.3%top 77.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Crawl4AI 0.7.0 before 0.9.4 contains a server-side request forgery vulnerability that allows API clients to reach internal addresses by enabling link_preview_config on /crawl requests. Attackers can supply a controlled page with include_external and include_patterns set, causing AsyncUrlSeeder to fetch internal, private, and cloud-metadata links and return their parsed head data.

Affected products (as reported)

Vendor	Product	Versions
unclecode	crawl4ai	0.7.0 – before 0.9.4

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

References

GitHub Security Advisory (GHSA-wh5w-hmj3-vgg7) vendor-advisory
VulnCheck Advisory: Crawl4AI 0.7.0 before 0.9.4 SSRF via link_preview_config URL Seeder third-party-advisory