High severity · published Sep 11, 2026
CVE-2026-89178
Howyar|WeenyGenius - Origin Validation Error
8.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
WeenyGenius · Howyar
through 12.2.031 · source: vendor
Affected product
WE
WeenyGenius
Howyar
More from WeenyGenius
8.8
CVE-2026-89177
Howyar|WeenyGenius - Use of Insecure Protocol
8.8
CVE-2026-89176
Howyar|WeenyGenius - Missing Authentication
4.3
CVE-2026-89179
Howyar|WeenyGenius - Missing Support for Integrity Check