CVE-2026-42238: Improper Control of Generation of Code

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...

Nginx UI 信息泄露漏洞

Nginx UI is a web interface for Nginx developed by Jacky. Versions of Nginx UI prior to 2.3.8 had a vulnerability related to information leakage. This vulnerability stemmed from the GetSettings API’s serialization mechanism, which serialized all settings and returned them to authenticated users...

Nginx-UI has Server-Side Request Forgery (SSRF) via Cluster Proxy Middleware that Allows Access to Internal Services

Summary 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 forwards these requests to the attacker-specified internal address, bypassing...

GHSA-WR32-99HH-6F35 Nginx-UI has Server-Side Request Forgery (SSRF) via Cluster Proxy Middleware that Allows Access to Internal Services

Summary 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 forwards these requests to the attacker-specified internal address, bypassing...

Nginx-UI has Server-Side Request Forgery (SSRF) via Cluster Proxy Middleware that Allows Access to Internal Services

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 forwards these requests to the attacker-specified internal address, bypassing network...

PT-2026-39184

Name of the Vulnerable Software and Affected Versions Nginx UI versions prior to 2.3.5 Description An authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node that points to an arbitrary internal URL and sending API requests with the X-Node-ID header. The Proxy...

PT-2026-36922

Name of the Vulnerable Software and Affected Versions Nginx UI version 2.3.5 Description Nginx UI, a web user interface for the Nginx web server, contains a flaw allowing an unauthenticated bootstrap takeover. This occurs during the initial installation window via the 'POST /api/install' endpoint...

GHSA-78MF-482W-62QJ Nginx-UI: Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

Summary 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 are stored in browser cookies set via JavaScript without HttpOnly or...

EUVD-2026-23972

Nginx-UI: Cross-Site WebSocket Hijacking CSWSH via missing origin validation on all WebSocket endpoints...

Nginx-UI: Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

Summary 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 are stored in browser cookies set via JavaScript without HttpOnly or...

GHSA-X234-X5VQ-CC2V Nginx-UI: Disabled users retain full API access through previously issued bearer tokens

Summary A user who was disabled by an administrator can use previously issued API tokens for up to the token lifetime. In practice, disabling a compromised account does not actually terminate that user’s access, so an attacker who already stole a JWT can continue reading and modifying protected...

PT-2026-36920

Name of the Vulnerable Software and Affected Versions Nginx UI versions prior to 2.3.8 Description An authenticated user can access the 'GET /api/settings' endpoint to retrieve sensitive configuration values, such as node.secret. This secret is accepted by the AuthRequired function via the...

Nginx-UI: Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

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 are stored in browser cookies set via JavaScript without HttpOnly or explicit...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass through the authentication process. An attacker can maintain unauthorized access to protected resources and perform actions such as reading, modifying, or creating new accounts by using previously issued bearer...

Missing Origin Validation in WebSockets

Overview Affected versions of this package are vulnerable to Missing Origin Validation in WebSockets via missing origin validation in all WebSocket endpoints. An attacker can gain unauthorized access to authenticated WebSocket sessions by tricking a logged-in administrator into visiting a malicio...

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...

CVE-2026-34403 Nginx-UI vulnerable to Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

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...

CVE-2026-34403 Nginx-UI vulnerable to Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

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...

CVE-2026-34403 Nginx-UI vulnerable to Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

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...

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...