CVE-2026-33032 Nginx UI: Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

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 middleware, the /mcpmessage endpoi...

nginx-ui's Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

Summary The nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoint only applies IP whitelisting - and the default IP whitelist is empty, which t...

EUVD-2026-17158

nginx-ui's Unauthenticated MCP Endpoint Allows Remote Nginx Takeover...

GHSA-H6C2-X2M2-MWHF nginx-ui's Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

Summary The nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoint only applies IP whitelisting - and the default IP whitelist is empty, which t...

EUVD-2026-17156

nginx-UI has Unencrypted Storage of DNS API Tokens and ACME Private Keys...

nginx-UI has Unencrypted Storage of DNS API Tokens and ACME Private Keys

Summary Nginx-UI contains an Insecure Direct Object Reference IDOR vulnerability that allows any authenticated user to access, modify, and delete resources belonging to other users. The application's base Model struct lacks a userid field, and all resource endpoints perform queries by ID without...

GHSA-5HF2-VHJ6-GJ9M nginx-UI has Unencrypted Storage of DNS API Tokens and ACME Private Keys

Summary Nginx-UI contains an Insecure Direct Object Reference IDOR vulnerability that allows any authenticated user to access, modify, and delete resources belonging to other users. The application's base Model struct lacks a userid field, and all resource endpoints perform queries by ID without...

EUVD-2026-17154

nginx-ui Vulnerable to DoS via Negative Integer Input in Logrotate Interval...

Unchecked Input for Loop Condition

Overview Affected versions of this package are vulnerable to Unchecked Input for Loop Condition due to improper input validation in the POST /api/settings handler for the logrotate.interval field. An attacker can make the web interface unresponsive by submitting a negative interval value, causing...

GHSA-CP8R-8JVW-V3QG nginx-ui Vulnerable to DoS via Negative Integer Input in Logrotate Interval

Summary An input validation vulnerability in the logrotate configuration allows an authenticated user to cause a complete Denial of Service DoS. By submitting a negative integer for the rotation interval, the backend enters an infinite loop or an invalid state, rendering the web interface...

EUVD-2026-17152

nginx-ui has Race Condition that Leads to Persistent Data Corruption and Service Collapse...

nginx-ui has Race Condition that Leads to Persistent Data Corruption and Service Collapse

Summary The nginx-ui application is vulnerable to a Race Condition. Due to the complete absence of synchronization mechanisms Mutex and non-atomic file writes, concurrent requests lead to the severe corruption of the primary configuration file app.ini. This vulnerability results in a persistent...

GHSA-M468-XCM6-FXG4 nginx-ui has Race Condition that Leads to Persistent Data Corruption and Service Collapse

Summary The nginx-ui application is vulnerable to a Race Condition. Due to the complete absence of synchronization mechanisms Mutex and non-atomic file writes, concurrent requests lead to the severe corruption of the primary configuration file app.ini. This vulnerability results in a persistent...

EUVD-2026-17151

Nginx Configuration Directory Vulnerable to Recursive Deletion via Improper Path Validation...

Nginx Configuration Directory Vulnerable to Recursive Deletion via Improper Path Validation

Summary The nginx-ui configuration improperly handles URL-encoded traversal sequences. When specially crafted paths are supplied, the backend resolves them to the base Nginx configuration directory and executes the operation on the base directory /etc/nginx. In particular, this allows an...

GHSA-M8P8-53VF-8357 Nginx Configuration Directory Vulnerable to Recursive Deletion via Improper Path Validation

Summary The nginx-ui configuration improperly handles URL-encoded traversal sequences. When specially crafted paths are supplied, the backend resolves them to the base Nginx configuration directory and executes the operation on the base directory /etc/nginx. In particular, this allows an...

EUVD-2026-17194

nginx-ui Backup Restore Allows Tampering with Encrypted Backups...

nginx-ui Backup Restore Allows Tampering with Encrypted Backups

Summary The nginx-ui backup restore mechanism allows attackers to tamper with encrypted backup archives and inject malicious configuration during restoration. Details The backup format lacks a trusted integrity root. Although files are encrypted, the encryption key and IV are provided to the clie...

GHSA-FHH2-GG7W-GWPQ nginx-ui Backup Restore Allows Tampering with Encrypted Backups

Summary The nginx-ui backup restore mechanism allows attackers to tamper with encrypted backup archives and inject malicious configuration during restoration. Details The backup format lacks a trusted integrity root. Although files are encrypted, the encryption key and IV are provided to the clie...

CVE-2026-28753 affecting package nginx for versions less than 1.22.1-16

CVE-2026-28753 affecting package nginx for versions less than 1.22.1-16. A patched version of the package is available...