CVE-2026-1331

CRITICAL

HAMASTAR MeetingHub - Unauthenticated Web Shell Upload Code Execution

Title source: manual

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.

References (2)

Core 2

Core References

Third Party Advisory third-party-advisory

https://www.twcert.org.tw/tw/cp-132-10650-a5ee9-1.html

Third Party Advisory third-party-advisory

https://www.twcert.org.tw/en/cp-139-10651-ff09c-2.html

Scores

CVSS v3 9.8

EPSS 0.0069

EPSS Percentile 47.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-434

Status published

Products (1)

hamastar/meetinghub_paperless_meetings < 2025-12-10

Published Jan 22, 2026

Tracked Since Feb 18, 2026