CVE-2026-89178
Howyar｜WeenyGenius - Origin Validation Error
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Howyar｜WeenyGenius - Origin Validation Error
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.
- Record
CVE-2026-89178- CVSS 4.0
- 8.7 High
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 - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-940
- Updated
- 2026-11-02
EUVDEUVD-2026-76005
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.
- Record
EUVD-2026-76005- CVSS 4.0
- 8.7 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-43v7-686m-8j6r
WeenyGenius, a computer lab management system by Howyar Technologies, has an Origin Validation...
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.
- Record
GHSA-43v7-686m-8j6r- CVSS 4.0
- 8.7 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-940
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-89178- CVSS 4.0
- 8.7 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-940
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-89178 is a high vulnerability (CVSS 8.7) in Howyar Weenygenius, published September 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.