High severity · published Oct 12, 2026
CVE-2026-109238
Crawl4AI 0.7.0 before 0.9.4 SSRF via link_preview_config URL Seeder
8.6
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
crawl4ai · unclecode
0.7.0 before 0.9.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109238
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109238
vendor-advisory
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-wh5w-hmj3-vgg7
third-party-advisory
https://www.vulncheck.com/advisories/crawl4ai-0.7.0-before-0.9.4-ssrf-via-link-preview-config-url-seeder
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