GO-2026-6774 Nginx UI: MCP configuration tools bypass restricted directive validation and allow secondary authenticated users to execute NJS in Nginx worker context in github.com/0xJacky/Nginx-UI

Nginx UI: MCP configuration tools bypass restricted directive validation and allow secondary authenticated users to execute NJS in Nginx worker context in github.com/0xJacky/Nginx-UI...

GHSA-5R62-GJ48-897X Nginx UI: MCP configuration tools bypass restricted directive validation and allow secondary authenticated users to execute NJS in Nginx worker context

Summary The regular HTTP configuration API rejects restricted Nginx directives such as loadmodule, jsimport, and jscontent. However, the MCP configuration interface allows a secondary authenticated user to write and apply equivalent restricted configuration content. In the lab, this allowed the...

Nginx UI: MCP configuration tools bypass restricted directive validation and allow secondary authenticated users to execute NJS in Nginx worker context

Summary The regular HTTP configuration API rejects restricted Nginx directives such as loadmodule, jsimport, and jscontent. However, the MCP configuration interface allows a secondary authenticated user to write and apply equivalent restricted configuration content. In the lab, this allowed the...

CVE-2026-84316

Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, config.ValidateConfigDirectives splits configuration by newline and checks only the first directive token on each line even though Nginx permits multiple semicolon-separated directives on one line. An authenticated caller...

CVE-2026-84319

The Nginx UI web interface for the Nginx web server is vulnerable to a protection mechanism failure in versions prior to 2.4.1 . While the regular HTTP configuration API correctly rejects restricted directives like load_module, js_import, and js_content, the MCP configuration interface fails to d...

CVE-2026-84316: Improper Input Validation

Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, config.ValidateConfigDirectives splits configuration by newline and checks only the first directive token on each line even though Nginx permits multiple semicolon-separated directives on one line. An authenticated caller...

PT-2026-110974

Name of the Vulnerable Software and Affected Versions Nginx UI versions prior to 2.4.1 Description An authenticated user can bypass configuration validation because the config.ValidateConfigDirectives function only checks the first directive token on each line, ignoring subsequent...