---
title: "CVE-2026-89178: Howyar Technologies WeenyGenius - Origin Validation Error"
description: "Howyar Technologies WeenyGenius contains an origin validation error vulnerability allowing unauthenticated attackers on the same network to spoof teacher workstations and send broadcast packets, causing student computers to connect to the attacker."
url: https://panop.io/threat-heartbeat/CVE-2026-89178/
---

# CVE-2026-89178 Howyar Technologies WeenyGenius - Origin Validation Error

Howyar Technologies WeenyGenius contains an origin validation error vulnerability allowing unauthenticated attackers on the same network to spoof teacher workstations and send broadcast packets, causing student computers to connect to the attacker.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.36% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89178)

## Details

Type

Origin Validation Error

Impact

Information Disclosure

CVSS vector

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

Published

11 September 2026

Updated

15 October 2026

Weakness

[CWE-940](https://cwe.mitre.org/data/definitions/940.html)

## Vendor fix

Update to the latest version with origin validation fixes.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89178](https://nvd.nist.gov/vuln/detail/CVE-2026-89178)
- [https://www.twcert.org.tw/en/cp-139-11200-ffc3c-2.html](https://www.twcert.org.tw/en/cp-139-11200-ffc3c-2.html)
- [https://www.twcert.org.tw/tw/cp-132-11201-658c0-1.html](https://www.twcert.org.tw/tw/cp-132-11201-658c0-1.html)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)