Insecure Direct Object Reference in School App by Zyosoft
CVE-2026-7491

8.6HIGH

Key Information:

Vendor

Zyosoft

Status
School App
Vendor
CVE Published:
2 May 2026

What is CVE-2026-7491?

The School App, created by Zyosoft, contains an Insecure Direct Object Reference vulnerability. This flaw enables authenticated remote attackers to manipulate a specific parameter, allowing them to access and alter data belonging to other users. Such a vulnerability poses significant risks to user privacy and data integrity, making it crucial for organizations using this application to implement appropriate security measures and apply necessary updates promptly.

Affected Version(s)

School App Android 0 < 1.1.62

School App MacOS 0 < 2.7.2

References

https://www.twcert.org.tw/tw/cp-132-10896-e3240-1.html
third-party-advisory
https://www.twcert.org.tw/en/cp-139-10897-64257-2.html
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.