Nginx UI security vulnerabilities

Nginx UI is a web interface for Nginx developed by Jacky. Versions of Nginx UI prior to 2.3.4 contained security vulnerabilities. These vulnerabilities stemmed from the backup and restoration mechanism, which allowed attackers to tamper with encrypted backup archives and inject malicious...

Nginx UI security vulnerabilities

Nginx UI is a web interface for Nginx developed by Jacky. Versions of Nginx UI 2.3.5 and earlier contained security vulnerabilities. These vulnerabilities stemmed from the MCP integration, where the /mcmessage endpoint only applied an IP white list, and the default white list was empty. This...

CVE-2026-33027: Improper Limitation of a Pathname to a Restricted Directory

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, 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 operati...

CVE-2026-33028: Concurrent Execution using Shared Resource with Improper Synchronization

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, 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 prima...

CVE-2026-33026: Cleartext Storage of Sensitive Information

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui backup restore mechanism allows attackers to tamper with encrypted backup archives and inject malicious configuration during restoration. This issue has been patched in version 2.3.4...

CVE-2026-33030: Improper Neutralization of Special Elements used in an OS Command

Nginx UI is a web user interface for the Nginx web server. In versions 2.3.3 and prior, 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...

CVE-2026-33029: Improper Input Validation

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, 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 enter...

CVE-2026-33029

creationtimestamp| type| source ---|---|--- 2026-03-28 03:20:34+00:00| published-proof-of-concept| https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-cp8r-8jvw-v3qg...

CVE-2026-33027

creationtimestamp| type| source ---|---|--- 2026-03-28 03:19:28+00:00| published-proof-of-concept| https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-m8p8-53vf-8357...

PT-2026-33848

Name of the Vulnerable Software and Affected Versions Nginx UI versions prior to 2.3.5 Description All WebSocket endpoints use a gorilla/websocket Upgrader with a configuration that unconditionally accepts all origins, enabling Cross-Site WebSocket Hijacking CSWSH. This is exacerbated by...

Exploit for Missing Encryption of Sensitive Data in Nginxui Nginx_Ui

CVE-2026-27944 PoC Description CVE-2026-27944 is an identi...

📄 Nginx UI 2.3.3 Backup Decryption Mass Scanner

This Python tool is a multi‑threaded scanner and exploitation utility designed to identify and validate the vulnerability CVE-2026-27944 affecting Nginx UI versions 2.3.2 and below. The script supports scanning single hosts, CIDR ranges, or target lists, and checks multiple common web service...

📄 Nginx UI 2.3.3 Unauthenticated Backup Disclosure / Decryption

This Python proof‑of‑concept demonstrates an unauthenticated information disclosure vulnerability in Nginx UI tracked as CVE-2026-27944. The vulnerability allows a remote attacker to access the /api/backup endpoint without authentication and retrieve a backup archive of the server configuration...

Exploit for CVE-2026-27944

Nginx UI Discovery Scanner - CVE-2026-27944 Version Detector ht...

CVE-2026-27944

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.3, the /api/backup endpoint is accessible without authentication and discloses the encryption keys required to decrypt the backup in the X-Backup-Security response header. This allows an unauthenticated attacker to...

Nginx-UI Vulnerable to Unauthenticated Backup Download with Encryption Key Disclosure

Summary The /api/backup endpoint is accessible without authentication and discloses the encryption keys required to decrypt the backup in the X-Backup-Security response header. This allows an unauthenticated attacker to download a full system backup containing sensitive data user credentials,...

CVE-2026-27944 Nginx UI: Unauthenticated Backup Download with Encryption Key Disclosure

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.3, the /api/backup endpoint is accessible without authentication and discloses the encryption keys required to decrypt the backup in the X-Backup-Security response header. This allows an unauthenticated attacker to...

CVE-2026-27944 Nginx UI: Unauthenticated Backup Download with Encryption Key Disclosure

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.3, the /api/backup endpoint is accessible without authentication and discloses the encryption keys required to decrypt the backup in the X-Backup-Security response header. This allows an unauthenticated attacker to...

Nginx-UI Vulnerable to Unauthenticated Backup Download with Encryption Key Disclosure

The /api/backup endpoint is accessible without authentication and discloses the encryption keys required to decrypt the backup in the X-Backup-Security response header. This allows an unauthenticated attacker to download a full system backup containing sensitive data user credentials, session...

PT-2026-23481

Name of the Vulnerable Software and Affected Versions Nginx UI versions prior to 2.3.3 Description Nginx UI contains a critical flaw where the /api/backup endpoint is accessible without authentication. When this endpoint is accessed via a GET request, the server provides a full system backup and...