Missing Authorization in nginx-ui - #VU152976
Published: September 30, 2026
Vulnerability identifier: #VU152976
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: N/A
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to obtain persistent administrator access.
The vulnerability exists due to missing authorization in user-management mutation routes when processing requests authenticated with a valid write-scoped service token. A remote user can create or alter an enabled administrator account to obtain persistent administrator access.
Read-only service tokens cannot reach the affected user-mutation operations.
Affected software
nginx-ui
Remediation
Install security update from vendor's website.
nginx-ui - update to 2.6.2