CVE-2026-84850 Security feature bypass in Server

Medium 4.8 Published Updated

Network attackers can intercept and tamper with outbound TLS connections due to improper certificate validation in Devolutions Server.

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-2026-84850?

CVE-2026-84850 is a medium-severity vulnerability in Devolutions Server, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper certificate validation in the shared HTTP client used by synchronization and integration features in Devolutions Server 2026.2.16 and earlier allows a network-positioned attacker to intercept and tamper with outbound TLS connections via a spoofed or self-signed certificate.

Weakness: CWE-295

Which versions are affected by CVE-2026-84850?

How do I fix CVE-2026-84850?

No fix has been published for CVE-2026-84850 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-84850 being exploited?

There is no known exploitation of CVE-2026-84850 in the wild and no public exploit code.

Sources

Also known as GHSA-m9jg-rh2h-mw5m.

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