Vulnerability in Howyar Weenygenius
CVE-2026-89178
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-11201-658c0-1.html (third-party-advisory)
- www.twcert.org.tw/en/cp-139-11200-ffc3c-2.html (third-party-advisory)
Frequently asked questions
- What is CVE-2026-89178?
- CVE-2026-89178 is a high-severity vulnerability in Howyar Weenygenius, classified under Improper Verification of Source of a Communication Channel. CVSS score: 8.8/10. Published 2026-09-11.
- How severe is CVE-2026-89178?
- High severity. CVSS v3 base score is 8.8 out of 10.