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

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-22 · updated 2026-06-17
Weakness: CWE-434

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.

Affected products

HAMASTAR Technology MeetingHub: before 2025-12-10 — fixed in 2025-12-10

How to fix

Upgrade to a fixed version: HAMASTAR Technology MeetingHub 2025-12-10. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/en/cp-139-10651-ff09c-2.html
https://www.twcert.org.tw/tw/cp-132-10650-a5ee9-1.html

Get alerted when CVE-2026-1331 or the next vulnerability affects your stack