Nginx UI < 2.3.3 - Information Disclosure

Nginx UI 2.3.3 contains an information disclosure vulnerability caused by unauthenticated access to /api/backup endpoint exposing encryption keys in X-Backup-Security header, letting unauthenticated attackers download and decrypt full system backups. id: CVE-2026-27944 info: name: Nginx UI 2.3.3 ...

Nginx UI - Broken Access Control

Network attackers can fully control nginx service, including config modification and service restart, leading to complete service takeover. id: CVE-2026-33032 info: name: Nginx UI - Broken Access Control author: DhiyaneshDk severity: critical description: | Network attackers can fully control ngi...

K000161622: NGINX UI vulnerability CVE-2026-42238

Security Advisory Description Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, nginx-ui exposes a backup restore endpoint POST /api/restore that is completely unauthenticated during the first 10 minutes after process startup on any fresh installation. An...

CVE-2026-34403

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.5, all WebSocket endpoints in nginx-ui use a gorilla/websocket Upgrader with CheckOrigin unconditionally returning true, allowing Cross-Site WebSocket Hijacking CSWSH. Combined with the fact that authentication tokens...

K000161327: NGINX UI vulnerability CVE-2026-33032

Security Advisory Description Nginx UI is a web user interface for the Nginx web server. In versions 2.3.5 and prior, the nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired...

CVE-2026-44015

Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwar...

CVE-2026-44015

Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwar...

Nginx UI 代码问题漏洞

Nginx UI is a web interface for Nginx developed by Jacky. Versions of Nginx UI 2.3.4 and earlier have code vulnerabilities. This vulnerability allows authenticated users to create cluster nodes that point to arbitrary internal URLs and send API requests with the X-Node-ID header, resulting in SSR...

Exploit for Missing Authentication for Critical Function in Nginxui Nginx_Ui

HTB-Snapped-Writeup HTB Snapped — Hard Linux machine writeup...

EUVD-2026-27141

Nginx-UI is Vulnerable to Unauthenticated Remote Code Execution via Backup Restore...

GHSA-MXQH-Q9H6-V8PQ Nginx-UI: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover

Summary An unauthenticated bootstrap takeover exists in nginx-ui during the initial installation window exposed by POST /api/install. When the instance is still uninitialized, POST /api/install is reachable without authentication and accepts attacker-controlled bootstrap data. The handler sets th...

EUVD-2026-27137

Nginx-UI: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover...

EUVD-2026-27135

Nginx-UI: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim...

GHSA-H27V-PH7W-M9FP Nginx-UI: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim

Summary An unauthenticated network attacker can claim the initial administrator account on a fresh nginx-ui instance during the first-run setup window. The public /api/install endpoint is reachable without authentication, and the request-encryption flow only protects payload confidentiality in...

Nginx-UI: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover

An unauthenticated bootstrap takeover exists in nginx-ui during the initial installation window exposed by POST /api/install. When the instance is still uninitialized, POST /api/install is reachable without authentication and accepts attacker-controlled bootstrap data. The handler sets the...

Nginx-UI: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim

An unauthenticated network attacker can claim the initial administrator account on a fresh nginx-ui instance during the first-run setup window. The public /api/install endpoint is reachable without authentication, and the request-encryption flow only protects payload confidentiality in transit; i...

EUVD-2026-27133

Nginx-UI: Authenticated settings disclosure exposes node.secret and enables trusted-node authentication abuse, backup exfiltration, and restore-based nginx-ui state rollback...

Nginx-UI: Authenticated settings disclosure exposes node.secret and enables trusted-node authentication abuse, backup exfiltration, and restore-based nginx-ui state rollback

Summary An authenticated user can call GET /api/settings and retrieve sensitive configuration values, including node.secret. The same node.secret is accepted by AuthRequired through the X-Node-Secret header or nodesecret query parameter, causing the request to be treated as authenticated via the...

CVE-2026-42221

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 window. The public /api/install endpoint is reachable...

CVE-2026-42238

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, nginx-ui exposes a backup restore endpoint POST /api/restore that is completely unauthenticated during the first 10 minutes after process startup on any fresh installation. An unauthenticated remote attacker can...