---
id: CVE-2026-9226
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-294
vendor: Devolutions
product: Server
affected:
  - Server < 2026.3.8
published: '2026-10-06'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T16:19:13.507'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-9226'
references:
  - url: 'https://devolutions.net/security/advisories/DEVO-2026-0035/'
    label: security@devolutions.net
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-07T15:16:40.151787Z'
ingestedAt: '2026-10-06T19:13:33.943Z'
epss: 0.0021
epssPercentile: 0.11109
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.