CVE-2026-89178 json
Howyar｜WeenyGenius - Origin Validation Error
published 2026-09-11 59 d ago modified 2026-09-11 58 d ago also EUVD-2026-76005
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 58 d ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | 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 |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.7 | 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 |
Affected products
- Howyar WeenyGenius
Classification
- Weakness
-
- CWE-940 Improper Verification of Source of a Communication Channel
References
-
twcert.org.tw
/tw/cp-132-11201-658c0-1.html
third-party-advisory
-
twcert.org.tw
/en/cp-139-11200-ffc3c-2.html
third-party-advisory
Sources
- CVE List CVE-2026-89178
- NVD CVE-2026-89178
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