CVE-2026-3638 Missing authorization in Server

Medium 5.9 Published Updated

Low-privileged users can restore deleted users and roles via API requests, potentially escalating privileges or modifying data.

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-2026-3638?

CVE-2026-3638 is a medium-severity missing authorization vulnerability in Devolutions Devolutions Server, published on 9 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper access control in user and role restore API endpoints in Devolutions Server 2025.3.11.0 and earlier allows a low-privileged authenticated user to restore deleted users and roles via crafted API requests.

Weakness: CWE-862

Which versions are affected by CVE-2026-3638?

It affects 1 product.

Products include Devolutions Devolutions Server.

How do I fix CVE-2026-3638?

No fix has been published for CVE-2026-3638 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-2026-3638 being exploited?

There is no known exploitation of CVE-2026-3638 in the wild and no public exploit code.

All Devolutions Devolutions Server vulnerabilities

Sources

Also known as GHSA-hgq7-qm2h-756x.

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