CVE-2026-8407 Missing authorization in Server
Authenticated users with PAM licenses can access OTP secrets and recovery codes due to missing authorization checks in the PAM API.
- 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-2026-8407?
CVE-2026-8407 is a medium-severity missing authorization vulnerability in Devolutions Devolutions Server, published on 12 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Missing authorization in the PAM module in Devolutions Server allows an authenticated user with a PAM license but no additional permissions to obtain OTP secret keys and recovery codes via crafted requests to PAM API endpoints.
This issue affects the following versions :
*
Devolutions Server 2026.1.6.0 through 2026.1.11.0
*
Devolutions Server 2025.3.16.0 and earlier
Weakness: CWE-862
Which versions are affected by CVE-2026-8407?
It affects 1 product.
Products include Devolutions Devolutions Server.
How do I fix CVE-2026-8407?
No fix has been published for CVE-2026-8407 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-2026-8407 being exploited?
There is no known exploitation of CVE-2026-8407 in the wild and no public exploit code.
Other vulnerabilities in Devolutions Devolutions Server
Sources
Also known as GHSA-4mvv-f9gf-4m5q.