CVE-2026-90971 Server-side request forgery in Server
Low-privileged users can exploit SSRF in Devolutions Server to access internal endpoints and steal other users' credentials via crafted connection definitions.
- 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-2026-90971?
CVE-2026-90971 is a medium-severity server-side request forgery vulnerability in Devolutions Server, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Server-Side Request Forgery (SSRF) in the VMware synchronization feature in Devolutions Server 2026.2.16 and earlier allows a low-privileged authenticated user to obtain other users' credentials and reach internal or cloud-metadata network endpoints via a crafted connection definition submitted for datacenter discovery.
Weakness: CWE-863
Which versions are affected by CVE-2026-90971?
How do I fix CVE-2026-90971?
No fix has been published for CVE-2026-90971 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-90971 being exploited?
There is no known exploitation of CVE-2026-90971 in the wild and no public exploit code.
Sources
Also known as GHSA-5256-r6g6-4j2j.