What is CVE-2026-33029?

CVE-2026-33029 is a medium-severity vulnerability in 0xjacky Nginx-Ui, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-03-30.

How severe is CVE-2026-33029?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in 0xjacky Nginx-Ui

CVE-2026-33029

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 enters an infinite loop or an invalid state, rendering the web interface unresponsive. This issue has been patched in version 2.3.4.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.009 (57.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

0xjacky Nginx-ui — versions < 2.3.4
Nginxui Nginx_ui

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2026-33029?: CVE-2026-33029 is a medium-severity vulnerability in 0xjacky Nginx-Ui, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-03-30.
How severe is CVE-2026-33029?: Medium severity. CVSS v3 base score is 6.5 out of 10.