CVE-2026-7491 Zyosoft｜School App - Insecure Direct Object Reference
Authenticated attackers can modify parameters to access and alter other users' data in the Zyosoft School App.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7491?
CVE-2026-7491 is a high-severity missing authorization vulnerability in Zyosoft School App, published on 2 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-7491?
How do I fix CVE-2026-7491?
No fix has been published for CVE-2026-7491 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-7491 being exploited?
There is no known exploitation of CVE-2026-7491 in the wild and no public exploit code.
Sources
Also known as GHSA-pjxf-5f7v-2qf7.