CVE-2026-33026

critical · 9.4

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.

9.4

CVSS

0.3%

EPSS (exploit prob.)

26th

EPSS percentile

2026-03-30

Published

CVSS:4.0/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

Weaknesses

CWE-312CWE-347CWE-354

Affected products

Vendor	Product	Affected versions
nginxui	nginx_ui	< 2.3.4

Check a specific version with /api/v1/cve/match.

References

https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4
https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq
https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-33026