Arbitrary File Upload in MeetingHub Enables Remote Code Execution

Publication date: 2026-01-22

Last updated on: 2026-02-17

Assigner: TWCERT/CC

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-22

Last Modified

2026-02-17

Generated

2026-07-06

AI Q&A

2026-01-22

EPSS Evaluated

2026-07-05

NVD

CVE-2026-1331

EUVD

EUVD-2026-4167

Affected Vendors & Products

Vendor	Product	Version / Range
hamastar	meetinghub_paperless_meetings	to 2025-12-10 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-434	The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Attack-Flow Graph

Executive Summary

This vulnerability in MeetingHub by HAMASTAR Technology allows unauthenticated remote attackers to upload arbitrary files, including web shell backdoors, to the server. This enables attackers to execute arbitrary code on the server remotely.

Impact Analysis

The vulnerability can lead to unauthorized remote code execution on the server, potentially allowing attackers to take full control of the affected system, compromise data integrity, disrupt services, or use the server as a foothold for further attacks.

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