CVE-2026-25870
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SSRF Vulnerability in DoraCMS UEditor Enables Internal Network Access

Publication date: 2026-02-10

Last updated on: 2026-02-11

Assigner: VulnCheck

Description
DoraCMS version 3.1 and prior contains a server-side request forgery (SSRF) vulnerability in its UEditor remote image fetch functionality. The application accepts user-supplied URLs and performs server-side HTTP or HTTPS requests without sufficient validation or destination restrictions. The implementation does not enforce allowlists, block internal or private IP address ranges, or apply request timeouts or response size limits. An attacker can abuse this behavior to induce the server to issue outbound requests to arbitrary hosts, including internal network resources, potentially enabling internal network scanning and denial of service through resource exhaustion.
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Meta Information
Published
2026-02-10
Last Modified
2026-02-11
Generated
2026-06-16
AI Q&A
2026-02-11
EPSS Evaluated
2026-06-14
NVD
CVE-2026-25870
EUVD
EUVD-2026-6237
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
doracms doracms to 3.1 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
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Executive Summary

CVE-2026-25870 is a server-side request forgery (SSRF) vulnerability found in DoraCMS version 3.1 and earlier. It exists in the UEditor remote image fetch functionality, where the application accepts user-supplied URLs and makes HTTP or HTTPS requests on the server side without properly validating or restricting the destination of these requests.

Because the implementation does not enforce allowlists, block internal or private IP address ranges, or apply request timeouts or response size limits, an attacker can exploit this to make the server send requests to arbitrary hosts, including internal network resources.

Impact Analysis

This vulnerability can be abused by an attacker to induce the vulnerable server to send outbound requests to arbitrary hosts, including internal network resources that are normally inaccessible from outside.

  • It can enable internal network scanning, allowing attackers to gather information about internal systems.
  • It can lead to denial of service (DoS) by exhausting server resources through excessive or large requests.
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