Vulnerability · Published Sep 11, 2026 · Assigned by twcert

CVE-2026-89178Howyar|WeenyGenius - Origin Validation Error

High 8.8

In plain English

A high-severity security flaw 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 30% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 70.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

WeenyGenius, a computer lab management system by Howyar Technologies, has an Origin Validation Error vulnerability. Unauthenticated attackers on the same network can spoof the teacher workstation and send broadcast packets, causing student computers to attempt to establish a connection with the attacker.

Affected products (as reported)

VendorProductVersions
Howyar WeenyGenius 0 – through 12.2.031

Weakness: CWE-940 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References