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.

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.

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.

Affected products

Howyar Weenygenius

Weakness classification (CWE)

CWE-940 — Improper Verification of Source of a Communication Channel

References

twcert@cert.org.tw (third-party-advisory)
twcert@cert.org.tw (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.