Vulnerability · Published Jan 22, 2026 · Assigned by twcert
CVE-2026-1331AMASTAR Technology｜MeetingHub - Arbitrary File Upload
Critical 9.8
In plain English
A critical-severity unrestricted file upload in MeetingHub from AMASTAR Technology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 44.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMASTAR Technology | MeetingHub | 0 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.twcert.org.tw/tw/cp-132-10650-a5ee9-1.html third-party-advisory
- https://www.twcert.org.tw/en/cp-139-10651-ff09c-2.html third-party-advisory