Authorization bypass through user-controlled key in Azure DevOps Server - CVE-2026-85923
Published: November 11, 2026
Vulnerability identifier: #VU165547
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85923
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges in Azure DevOps Server.
The vulnerability exists due to authorization bypass through a user-controlled key in Azure DevOps Server when handling network requests. A remote user can manipulate a key used to identify a protected resource to bypass authorization checks and escalate privileges.
Affected software
Azure DevOps Server
How to mitigate CVE-2026-85923
Install security update from vendor's website.
Azure DevOps Server - update to Patch 10