CVE-2026-7491 HIGH

CVE-2026-7491: Zyosoft|School App - Insecure Direct Object Reference

Vendor Zyosoft
Product School App
Weakness CWE-639 · IDOR
Published May 2, 2026
Last update May 4, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

School App developed by Zyosoft has an Insecure Direct Object Reference vulnerability, allowing authenticated remote attackers to modify a specific parameter to read and modify other users' data.

Key dates

02Disclosure timeline

May 2, 2026 CVE published
May 4, 2026 Record updated