CVE-2026-90856 SourceCodester College Notes Gallery Management System Registration Flow signup.php privileges management

Medium 6.9 Published Updated

Attackers can escalate privileges by manipulating the role argument in the registration flow of the College Notes Gallery Management System.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-90856?

CVE-2026-90856 is a medium-severity vulnerability in SourceCodester College Notes Gallery Management System, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A security vulnerability has been detected in SourceCodester College Notes Gallery Management System 1.0. This impacts an unknown function of the file signup.php of the component Registration Flow. Such manipulation of the argument role leads to improper privilege management. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

Weakness: CWE-269, CWE-266

Which versions are affected by CVE-2026-90856?

How do I fix CVE-2026-90856?

No fix has been published for CVE-2026-90856 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-90856 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90856 exists.

Sources

Also known as GHSA-43c6-993w-2c32.

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