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Vulnerability IntelligenceCVE-2026-33026

CVE-2026-33026

CRITICAL9.4

nginx-ui Backup Restore Allows Tampering with Encrypted Backups

Published Mar 30, 2026

Modified 1 weeks ago

Details

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.

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://www.cve.org/CVERecord?id=CVE-2026-33026

CVSS Analysis

CVSS v4.0

9.4

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

HighPR:H

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

HighVC:H

Vuln. Integrity

HighVI:H

Vuln. Availability

HighVA:H

Subsequent System

Subseq. Confidentiality

HighSC:H

Subseq. Integrity

HighSI:H

Subseq. Availability

HighSA:H

9.4/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

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedMar 30, 2026

ModifiedMar 31, 2026

CVE-2026-33026 | Mondoo Vulnerability Intelligence