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CVE-2026-86240— liufee FeehiCMS UEditor Uploader.php catchImage server-side request forgery

Quick assessment

Affected
liufee FeehiCMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 liufee FeehiCMS 2.1.1 及更早版本中发现了一个安全漏洞。该漏洞影响了 UEditor 组件中 文件的 函数。对参数 的操作会导致服务端请求伪造（SSRF）。该攻击可远程执行。利用代码已公开发布，可能被用于发起攻击。项目维护方较早通过问题报告得知了此问题，但截至目前尚未作出回应。

CVSS 4.7 · Medium

Possible ATT&CK Techniques 1 AI

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I. Basic Information for CVE-2026-86240

Vulnerability Information
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Vulnerability Title
liufee FeehiCMS UEditor Uploader.php catchImage server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
liufee FeehiCMS 2.1.0 cpe:2.3:a:liufee:feehicms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86240

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III. Intelligence Information for CVE-2026-86240

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Proof of Concept for CVE-2026-86240 (2)

News Coverage for CVE-2026-86240 (2)

Other References for CVE-2026-86240 (1)

Same Patch Batch · liufee · 2026-09-07 · 3 CVEs total

CVE-2026-86239 5.3 MEDIUM liufee FeehiCMS UEditor Widget UeditorAction.php init unrestricted upload
CVE-2026-86241 4.3 MEDIUM liufee FeehiCMS Cookie Validation main-local.php hard-coded key

IV. Related Vulnerabilities

Same product: FeehiCMS
Same vendor: liufee
Same weakness: CWE-918

V. Comments for CVE-2026-86240

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