CVE-2026-33026
nginx-ui Backup Restore Allows Tampering with Encrypted Backups
Description
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.
INFO
Published Date :
March 30, 2026, 8:16 p.m.
Last Modified :
April 1, 2026, 6:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update Nginx UI to version 2.3.4.
- Restore from trusted backups only.
- Verify restored configuration integrity.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-33026.
| URL | Resource |
|---|---|
| https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4 | Product Release Notes |
| https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq | Exploit Mitigation Vendor Advisory |
| https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq | Exploit Mitigation Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-33026 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-33026
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-33026 vulnerability anywhere in the article.
-
CybersecurityNews
Public PoC Exploit Released for Nginx-UI Backup Restore Vulnerability
A critical security flaw has been disclosed in the Nginx-UI backup restore mechanism, tracked as CVE-2026-33026. This vulnerability allows threat actors to tamper with encrypted backup archives and in ... Read more
-
Daily CyberSecurity
Critical Vulnerability in Perl Core Modules Leaves Systems Exposed
A high-severity security flaw has been identified within the core of the Perl programming language. Designated as CVE-2026-4176, the vulnerability carries a CVSS score of 9.8, highlighting a critical ... Read more
-
Daily CyberSecurity
Critical CrewAI Vulnerabilities Allow RCE and Sandbox Escapes via Prompt Injection
The rapidly growing field of multi-agent AI systems has hit a significant security speed bump. A new vulnerability note from CERT/CC has detailed four distinct security flaws within CrewAI, a popular ... Read more
The following table lists the changes that have been made to the
CVE-2026-33026 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 01, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:nginxui:nginx_ui:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.4 Added Reference Type GitHub, Inc.: https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4 Types: Product, Release Notes Added Reference Type CISA-ADP: https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq Types: Exploit, Mitigation, Vendor Advisory Added Reference Type GitHub, Inc.: https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq Types: Exploit, Mitigation, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 31, 2026
Action Type Old Value New Value Added Reference https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq -
New CVE Received by [email protected]
Mar. 30, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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 Added CWE CWE-347 Added CWE CWE-312 Added CWE CWE-354 Added Reference https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4 Added Reference https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq