CVE-2026-86240
liufee FeehiCMS UEditor Uploader.php catchImage server-side request forgery
Description
A security flaw has been discovered in liufee FeehiCMS up to 2.1.1. This affects the function catchImage of the file backend/widgets/ueditor/Uploader.php of the component UEditor. The manipulation of the argument source[] results in server-side request forgery. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
INFO
Published Date :
Sept. 7, 2026, 2:17 a.m.
Last Modified :
Sept. 28, 2026, 11:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update FeehiCMS to a version later than 2.1.1.
- Apply security patches provided by the vendor.
- Review and restrict file upload functionalities.
- Monitor network traffic for suspicious requests.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-86240.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-86240 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-86240
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-86240 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-86240 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Translated by [email protected]
Sep. 28, 2026
Action Type Old Value New Value Added Translation Title: FeehiCMS de liufee, Description: Se ha descubierto una vulnerabilidad de seguridad en liufee FeehiCMS hasta la versión 2.1.1. Esto afecta a la función catchImage del archivo backend/widgets/ueditor/Uploader.php del componente UEditor. La manipulación del argumento source[] resulta en falsificación de petición del lado del servidor. El ataque puede ejecutarse de forma remota. El exploit ha sido publicado y puede ser utilizado para ataques. El proyecto fue informado del problema con antelación a través de un informe de incidencia, pero aún no ha respondido. -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 08, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-86240', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-08T13:38:34.035933Z'} -
New CVE Received by [email protected]
Sep. 07, 2026
Action Type Old Value New Value Added Description A security flaw has been discovered in liufee FeehiCMS up to 2.1.1. This affects the function catchImage of the file backend/widgets/ueditor/Uploader.php of the component UEditor. The manipulation of the argument source[] results in server-side request forgery. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:M/C:P/I:P/A:P) Added CWE CWE-918 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/86xxx/CVE-2026-86240.json">CVE-2026-86240</a> Added Reference https://github.com/liufee/cms/issues/95 Added Reference https://github.com/yang5ynag/cve/blob/main/FEHI-002-UEditor-catchImage-SSRF.md Added Reference https://vuldb.com/cve/CVE-2026-86240 Added Reference https://vuldb.com/submit/901834 Added Reference https://vuldb.com/vuln/399397 Added Reference https://vuldb.com/vuln/399397/cti