SB20261111120 - Authorization bypass through user-controlled key in Azure DevOps Server
Published: November 11, 2026
Security Bulletin ID
SB20261111120
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-85923)
CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.