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

Product: nginx-ui Repository: 0xJacky/nginx-ui branch: dev Vulnerability Class: Authentication Bypass → Arbitrary File Write → OS Command Injection Affected Component: POST /api/restore --- 1. Vulnerability Summary nginx-ui exposes a backup restore endpoint POST /api/restore that is completely...

EUVD-2026-27137

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

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-2026-27135

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

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...

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...

CVE-2026-42220

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...

CLSA-2026-1777884034 nginx: Fix of CVE-2026-27654

CVE-2026-27654: fix heap buffer overflow in ngxhttpdavmodule COPY/MOVE with alias...

RHSA-2026:13839 Red Hat Security Advisory: nginx security update

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RHSA-2026:13680 Red Hat Security Advisory: nginx security update

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Security Bulletin: Multiple Vulnerabilities in IBM Engineering AI hub.

Summary Multiple vulnerabilities were addressed in IBM Engineering AI Hub version 1.2.0. Vulnerability Details CVEID:CVE-2026-0540 DESCRIPTION: DOMPurify 3.1.3 through 3.3.1 and 2.5.3 through 2.5.8, fixed in commit 2726c74, contain a cross-site scripting vulnerability that allows attackers to...

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...

GHSA-7JRR-XW9C-MJ39 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...

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-2026-42223

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-2026-42238

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...

nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files

A flaw was found in NGINX's ngxhttpmp4module. This Out-of-Bounds Read/Write vulnerability occurs due to improper handling of specially crafted MP4 files. A local authenticated attacker, by supplying a malicious MP4 file, can trigger a buffer over-read or overwrite in worker memory. This can lead ...