CVE-2026-9226 Auth bypass in Server
Remote attackers can take over user accounts by replaying captured login tokens exposed in redirect URLs during Azure AD external login flows.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9226?
CVE-2026-9226 is a medium-severity authentication bypass vulnerability in Devolutions Server, published on 6 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Authentication bypass in the Azure AD external login flow in Devolutions Server 2026.3.7.0 and earlier allows a remote attacker to take over a user's account via replay of a captured login-session token exposed in a redirect URL.
Weakness: CWE-294
Which versions are affected by CVE-2026-9226?
How do I fix CVE-2026-9226?
No fix has been published for CVE-2026-9226 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-9226 being exploited?
There is no known exploitation of CVE-2026-9226 in the wild and no public exploit code.
Sources
Also known as GHSA-jfrq-j4wj-3h93.