Nginx UI is a web user interface for the Nginx web server. From version 2.0.0 to before version 2.3.8, an unauthenticated network attacker can claim the initial administrator account on a fresh nginx-ui instance during the first-run setup w…
Exact source revision recorded 25 Oct 2026 10:17:10 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2026-42221
PublishedNVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Analyzed
Weakness classifications: CWE-306
Original publisher date fields
published: 2026-05-04T21:16:32.023
lastModified: 2026-06-17T10:47:31.917
1 source CPE criteria · context only
- cpe:2.3:a:nginxui:nginx_ui:*:*:*:*:*:*:*:*
The original JSON retains the logical configuration operators, exclusions and version bounds.
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON