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CVE-2026-4953— mingSoft MCMS Editor Endpoint BaseAction.java catchImage server-side request forgery

Quick assessment

Affected
mingSoft MCMS
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MingSoft MCMS是中国MingSoft公司的一个模块化内容管理框架。 mingSoft MCMS 5.5.0及之前版本存在安全漏洞，该漏洞源于对文件net/mingsoft/cms/action/BaseAction.java中参数catchimage的操作不当，可能导致服务端请求伪造。

CVSS 7.3 · High EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4953

Vulnerability Information
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Vulnerability Title
mingSoft MCMS Editor Endpoint BaseAction.java catchImage server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in mingSoft MCMS up to 5.5.0. This issue affects the function catchImage of the file net/mingsoft/cms/action/BaseAction.java of the component Editor Endpoint. Executing a manipulation of the argument catchimage can lead to server-side request forgery. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
Vulnerability Title
MingSoft MCMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MingSoft MCMS是中国MingSoft公司的一个模块化内容管理框架。 mingSoft MCMS 5.5.0及之前版本存在安全漏洞，该漏洞源于对文件net/mingsoft/cms/action/BaseAction.java中参数catchimage的操作不当，可能导致服务端请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mingSoft MCMS 5.0 cpe:2.3:a:mingsoft:mcms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4953

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7497 chars
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Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-4953

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Vendor Advisories for CVE-2026-4953 (2)

Proof of Concept for CVE-2026-4953 (1)

IV. Related Vulnerabilities

Same product: MCMS
Same vendor: mingSoft
Same weakness: CWE-918

V. Comments for CVE-2026-4953

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