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CVE-2026-1331— AMASTAR Technology｜MeetingHub - Arbitrary File Upload

Quick assessment

Affected
AMASTAR Technology MeetingHub
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.

HAMASTAR MeetingHub是中国台湾哈玛星（HAMASTAR）公司的一套无纸化会议系统。 HAMASTAR MeetingHub存在代码问题漏洞，该漏洞源于存在任意文件上传漏洞，可能导致未经验证的远程攻击者上传并执行Webshell后门，进而在服务器上执行任意代码。

CVSS 9.8 · Critical EPSS 0.75% · P54
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I. Basic Information for CVE-2026-1331

Vulnerability Information
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Vulnerability Title
AMASTAR Technology｜MeetingHub - Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
MeetingHub developed by HAMASTAR Technology has an Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
HAMASTAR MeetingHub 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HAMASTAR MeetingHub是中国台湾哈玛星（HAMASTAR）公司的一套无纸化会议系统。 HAMASTAR MeetingHub存在代码问题漏洞，该漏洞源于存在任意文件上传漏洞，可能导致未经验证的远程攻击者上传并执行Webshell后门，进而在服务器上执行任意代码。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
AMASTAR Technology MeetingHub 0 -

II. Public POCs for CVE-2026-1331

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III. Intelligence Information for CVE-2026-1331

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Vendor Advisories for CVE-2026-1331 (1)

IV. Related Vulnerabilities

Same product: MeetingHub
Same weakness: CWE-434

V. Comments for CVE-2026-1331

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