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Vulnerability record · CVE-2026-109238 · published 12 October 2026

CVE-2026-109238: Server-side request forgery (SSRF) vulnerability

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.

9.2 CVSS 4.0 Critical EPSS 0.30% · top 79.2% CWE-918 · Server-side request forgery (SSRF) Received
9.2CVSS 4.0 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
13 Oct 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-wh5w-hmj3-vgg7
https://www.vulncheck.com/advisories/crawl4ai-0.7.0-before-0.9.4-ssrf-via-link-preview-config-url-seeder

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Source: NIST National Vulnerability Database (record CVE-2026-109238), CISA KEV, FIRST EPSS (scores of 2026-10-13). This page is refreshed as NVD updates the record.