CVE-2026-33026
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
ProductNginxui Nginx Ui
PublishedMar 30, 2026
First seenMar 30, 2026
Weakness typeCWE-312CWE-312CWE-347CWE-347CWE-354CWE-354
How to fix
Update
- nginxui nginx_ui2.3.4 or later
- github.com/0xJacky/Nginx-UI1.9.10-0.20260315015203-f61bcec547c0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nginxui nginx_ui | v < 2.3.4 | 2.3.4 |
| github.com/0xJacky/Nginx-UIGo | v < 1.9.10-0.20260315015203-f61bcec547c0, No range specified | 1.9.10-0.20260315015203-f61bcec547c0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.