Vulnerability · Published Sep 11, 2026 · Assigned by twcert

CVE-2026-89176Howyar｜WeenyGenius - Missing Authentication

High 8.8

In plain English

A high-severity missing authentication in WeenyGenius from Howyar. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.4%top 65.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

WeenyGenius, a computer lab management system developed by Howyar Technologies, has a Missing Authentication vulnerability. Unauthenticated attackers on the same network can easily spoof student or teacher endpoints. Impersonating a student can disrupt normal classroom operations, whereas impersonating a teacher can induce student computers to initiate connections, thereby gaining remote control over the student endpoints.

Affected products (as reported)

Vendor	Product	Versions
Howyar	WeenyGenius	0 – through 12.2.031

Weakness: CWE-306 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://www.twcert.org.tw/tw/cp-132-11201-658c0-1.html third-party-advisory
https://www.twcert.org.tw/en/cp-139-11200-ffc3c-2.html third-party-advisory