CVE-2026-89178

Howyar|WeenyGenius - Origin Validation Error

Published Sep 11, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update to version 12.3.033 or later.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Howyar
Howyar weenygenius
Vendors & Products Howyar
Howyar weenygenius
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Howyar|WeenyGenius - Origin Validation Error
Weaknesses CWE-940
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
twcert
Published
Updated
Sep 11, 2026, 3:31 PM
Reserved
Sep 11, 2026, 6:14 AM
Status
Deferred
Published
Sep 11, 2026, 8:16 AM
Modified
Sep 11, 2026, 4:17 PM