What is CVE-2026-33028?

CVE-2026-33028 is a high-severity vulnerability in 0xjacky Nginx-ui, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2026-03-30.

How severe is CVE-2026-33028?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in 0xjacky Nginx-ui

CVE-2026-33028

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, co…

Vulnerability class: Race Condition

EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-33028?: CVE-2026-33028 is a high-severity vulnerability in 0xjacky Nginx-ui, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2026-03-30.
How severe is CVE-2026-33028?: High severity. CVSS v3 base score is 7.5 out of 10.