CVE-2025-65594 Missing authorization in n/a

High 8.1 Published Updated

Authenticated low-privilege users can modify other users' data due to incorrect access control in Student.php.

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-2025-65594?

CVE-2025-65594 is a high-severity missing authorization vulnerability in Os4ed Opensis, published on 9 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

OpenSIS 9.2 and below is vulnerable to Incorrect Access Control in Student.php, which allows an authenticated low-privilege user to perform unauthorized database write operations relating to the data of other users.

Weakness: CWE-284

Which versions are affected by CVE-2025-65594?

It affects 1 product.

Products include Os4ed Opensis.

How do I fix CVE-2025-65594?

No fix has been published for CVE-2025-65594 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-2025-65594 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65594 exists.

All Os4ed Opensis vulnerabilities

Sources

Also known as GHSA-8g75-9w8p-j9q2.

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