CVE-2026-89178: CWE-940 Improper Verification of Source of a Communication Channel in Howyar WeenyGenius
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.
AI Analysis
Technical Summary
CVE-2026-89178 is an Origin Validation Error vulnerability in Howyar's WeenyGenius software. The flaw is classified under CWE-940 (Improper Verification of Source of a Communication Channel). Attackers on the same network can impersonate the teacher workstation by spoofing broadcast packets, causing student computers to initiate connections to the attacker. This can lead to potential unauthorized interactions or disruptions within the managed computer lab environment. The vulnerability affects all versions from 0 through 12.2.031 inclusive.
Potential Impact
The vulnerability allows unauthenticated attackers on the same network segment to spoof the teacher workstation, causing student computers to attempt connections to the attacker. This could enable unauthorized access or manipulation of student machines or lab activities. The CVSS 4.0 vector indicates high impact on confidentiality, integrity, and availability without requiring privileges or user interaction.
Mitigation Recommendations
No patch or official fix information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, network segmentation to isolate teacher and student workstations or monitoring for spoofed broadcast packets may help reduce risk.
CVE-2026-89178: CWE-940 Improper Verification of Source of a Communication Channel in Howyar WeenyGenius
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 v4.0
Score 8.7high
Affected software
Howyar
WeenyGenius
pkg:github/howyar/weenygeniusRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-89178 is an Origin Validation Error vulnerability in Howyar's WeenyGenius software. The flaw is classified under CWE-940 (Improper Verification of Source of a Communication Channel). Attackers on the same network can impersonate the teacher workstation by spoofing broadcast packets, causing student computers to initiate connections to the attacker. This can lead to potential unauthorized interactions or disruptions within the managed computer lab environment. The vulnerability affects all versions from 0 through 12.2.031 inclusive.
Potential Impact
The vulnerability allows unauthenticated attackers on the same network segment to spoof the teacher workstation, causing student computers to attempt connections to the attacker. This could enable unauthorized access or manipulation of student machines or lab activities. The CVSS 4.0 vector indicates high impact on confidentiality, integrity, and availability without requiring privileges or user interaction.
Mitigation Recommendations
No patch or official fix information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, network segmentation to isolate teacher and student workstations or monitoring for spoofed broadcast packets may help reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- twcert
- Date Reserved
- 2026-09-11T06:14:51.177Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa3b22791cc7f3848db2538
Added to database: 09/11/2026, 07:47:51 UTC
Last enriched: 09/11/2026, 08:01:57 UTC
Last updated: 09/11/2026, 19:42:42 UTC
Views: 13
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