CVE-2026-33026 — CRITICAL (9.1)

Q: How severe is CVE-2026-33026?

CVE-2026-33026 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-33026?

Check the references section above for vendor advisories and patch information. Affected products include: Nginxui Nginx Ui.

Vulnerability 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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nginxui	Nginx Ui	< 2.3.4

Related Weaknesses (CWE)

CWE-354 CWE-347 CWE-312

References

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

FAQ

What is CVE-2026-33026?

CVE-2026-33026 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 ...

How severe is CVE-2026-33026?

CVE-2026-33026 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-33026?

Check the references section above for vendor advisories and patch information. Affected products include: Nginxui Nginx Ui.