Improper access control in nginx-ui - CVE-2026-33031
Published: April 21, 2026 / Updated: April 21, 2026
Vulnerability identifier: #VU126636
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-2026-33031
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote user who was disabled by an administrator can continue reading and modifying protected resources.
Affected software
nginx-ui
How to mitigate CVE-2026-33031
Install updates from vendor's website.
nginx-ui - update to 2.3.4