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

High 8.7 Published Updated

Unauthenticated attackers can spoof teacher workstations via broadcast packets, causing student computers to connect to the attacker.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-89178?

CVE-2026-89178 is a high-severity vulnerability in Howyar WeenyGenius, published on 11 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

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.

Weakness: CWE-940

Which versions are affected by CVE-2026-89178?

How do I fix CVE-2026-89178?

No fix has been published for CVE-2026-89178 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-89178 being exploited?

There is no known exploitation of CVE-2026-89178 in the wild and no public exploit code.

Sources

Also known as GHSA-43v7-686m-8j6r.

Is CVE-2026-89178 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free