HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-33028 — Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3....

Monday, March 30, 2026 at 06:16 PM UTC·Source: NIST NVD

Updated: Monday, April 6, 2026 at 12:17 AM UTC

Executive Summary

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 primary configuration file (app.ini). This vulnerability results in a persistent Denial of Service (DoS) a

Analysis

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 primary configuration file (app.ini). This vulnerability results in a persistent Denial of Service (DoS) and introduces a non-deterministic path for Remote Code Execution (RCE) through configuration cross-contamination. This issue has been patched in version 2.3.4. CVSS Score: 7.5. Published: 2026-03-30T18:16:18.947.

Indicators of Compromise (1)

CVE (1)
CVE-2026-33028
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Mar 30, 2026. Verified by: NIST.

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