CVE-2025-65670 Missing authorization in n/a

Medium 4.3 Published Updated

Students can access sensitive admin and teacher data by manipulating course IDs in URLs, leading to unauthorized information disclosure.

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-2025-65670?

CVE-2025-65670 is a medium-severity missing authorization vulnerability in n/a, published on 26 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An Insecure Direct Object Reference (IDOR) in classroomio 0.1.13 allows students to access sensitive admin/teacher endpoints by manipulating course IDs in URLs, resulting in unauthorized disclosure of sensitive course, admin, and student data. The leak occurs momentarily before the system reverts to a normal state restricting access.

Weakness: CWE-639

Which versions are affected by CVE-2025-65670?

It affects 1 product.

Products include Classroomio Classroomio.

How do I fix CVE-2025-65670?

No fix has been published for CVE-2025-65670 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-2025-65670 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65670 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-mh75-3225-9wcj.

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