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CVE-2026-109238

8.6, high

Unclecode crawl4ai Server-Side Request Forgery Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
8.6, high high CVSS v3.1
EPSS, next 30 days
0.3% higher than 21% of scored CVEs
Exploitation
No public evidence
Published
12 Oct 20265 days ago

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.

Details

Vendor
Unclecode
Product
crawl4ai
Weakness
CWE-918 (opens in a new tab)
Status
Received
Updated
12 Oct 2026
Assigner
disclosure@vulncheck.com

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

References 2

Advisories 1

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Unclecode CVEs

Every Unclecode CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-109237 Unclecode crawl4ai Deserialization of Untrusted Data Vulnerability EPSS 0.3% 8.1, high
  • CVE-2026-91940 Unclecode crawl4ai Path Traversal Vulnerability EPSS 0.5% 7.5, high

Beyond this page

Is CVE-2026-109238 in your network?

This page tells you how dangerous CVE-2026-109238 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.