CVE-2026-42223

Nginx UI (nginx-ui) before version 2.3.8 exposes sensitive settings through the GetSettings API. The handler serializes all settings structs to JSON and returns them to authenticated users, while the protected:"true" tag is only enforced on writes, not reads. This leaks 40+ protected fields, incl...

CVE-2026-42223 nginx-ui: Settings API Exposes Protected Secrets

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, the GetSettings API handler api/settings/settings.go:24-65 serializes all settings structs to JSON and returns them to authenticated users. Many sensitive fields are tagged with protected:"true" - however, this tag...

CVE-2026-42223 nginx-ui: Settings API Exposes Protected Secrets

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, the GetSettings API handler api/settings/settings.go:24-65 serializes all settings structs to JSON and returns them to authenticated users. Many sensitive fields are tagged with protected:"true" - however, this tag...

CVE-2026-42222

CVE-2026-42222 (nginx-ui 2.3.5) describes an unauthenticated bootstrap takeover during the initial installation window exposed by POST /api/install. The issue allows a remote attacker to submit attacker-chosen bootstrap data and gain full unauthenticated administrative control on a fresh, uniniti...

CVE-2026-42221

Summary: CVE-2026-42221 affects nginx-ui versions 2.0.0 through 2.3.7, where an unauthenticated attacker can claim the initial administrator account during first-run via the public /api/install endpoint. The installation flow and public keys are not authenticated, allowing an attacker to set admi...

CVE-2026-42221 nginx-ui: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim

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-2026-42221 nginx-ui: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim

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-2026-42220

Nginx UI (nginx-ui) prior to version 2.3.8 exposes a vulnerability where an authenticated user can call GET /api/settings to retrieve sensitive values, including node.secret. The node.secret is accepted by AuthRequired() via the X-Node-Secret header (or node_secret query parameter), allowing the ...

CVE-2026-42220 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 is a web user interface for the Nginx web server. Prior to version 2.3.8, 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...

CVE-2026-42220 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 is a web user interface for the Nginx web server. Prior to version 2.3.8, 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...

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 代码注入漏洞

Nginx UI is a web interface for Nginx developed by Jacky. Versions of Nginx UI prior to 2.3.8 had a code injection vulnerability. This vulnerability stemmed from the backup restoration endpoint POST /api/restore, which operates without authentication within the first 10 minutes after the process...

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

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...

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...

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...