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CVE-2026-33029

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, an input validation…

CVSS 4.0 · [email protected] · Secondary 6.9 MEDIUMCVSS 3.1 · [email protected] · Primary 6.5 MEDIUMCVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary 6.5 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 25 Oct 2026 08:17:18 UTC. Read the latest advisory.

nvd · CVE-2026-33029

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

nvd · CVE-2026-33029

Published

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 ne…

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.

Additional publisher context

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-20 · NVD-CWE-noinfo

Original publisher date fields

published: 2026-03-30T18:16:19.097

lastModified: 2026-06-17T10:36:48.687

1 source CPE criteria · context only
  • cpe:2.3:a:nginxui:nginx_ui:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published
30 Mar 2026 18:16:19 UTC
Source modified
17 Jun 2026 10:36:48 UTC
Saved here
25 Oct 2026 08:17:18 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · [email protected] · Secondary · 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS 3.1 · [email protected] · Primary · 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary · 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 16:58 UTC · 254 of 275 readable · 250 fully read · documentation 469/469 current

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