CVE-2026-90594 Missing authorization in Spring-Cloud-Platform

Medium 5.3 Published Updated

Attackers can bypass permission checks in the Spring-Cloud-Platform permission service, allowing unauthorized access to protected resources.

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-2026-90594?

CVE-2026-90594 is a medium-severity missing authorization vulnerability in wxiaoqi Spring-Cloud-Platform, published on 13 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was identified in wxiaoqi Spring-Cloud-Platform 3.0.1/3.1.0. This vulnerability affects the function PermissionService.checkUserPermission of the file /rpc/service/PermissionService.java of the component Permission Service. The manipulation leads to missing authorization. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-863, CWE-862

Which versions are affected by CVE-2026-90594?

How do I fix CVE-2026-90594?

No fix has been published for CVE-2026-90594 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-2026-90594 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90594 exists.

Sources

Also known as GHSA-5rvc-gp3g-98qc.

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