CVE-2026-33026— nginx-ui Backup Restore Allows Tampering with Encrypted Backups
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I. Basic Information for CVE-2026-33026
Vulnerability Information
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Vulnerability Title
nginx-ui Backup Restore Allows Tampering with Encrypted Backups
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文存储
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nginx UI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nginx UI是Jacky个人开发者的一个 Nginx 的 WebUI。 Nginx UI 2.3.4之前版本存在安全漏洞，该漏洞源于备份恢复机制允许攻击者篡改加密备份存档并在恢复过程中注入恶意配置。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-33026
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Release v2.3.4 · 0xJacky/nginx-ui · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-33026
Same Patch Batch · 0xJacky · 2026-03-30 · 6 CVEs total
| CVE-2026-33032 | 9.8 CRITICAL | Nginx UI: Unauthenticated MCP Endpoint Allows Remote Nginx Takeover |
| CVE-2026-33030 | 8.8 HIGH | Nginx UI: Unencrypted Storage of DNS API Tokens and ACME Private Keys |
| CVE-2026-33028 | Nginx UI: Race Condition Leads to Persistent Data Corruption and Service Collapse | |
| CVE-2026-33029 | Nginx UI: DoS via Negative Integer Input in Logrotate Interval | |
| CVE-2026-33027 | Nginx UI: Improper Path Validation Allows Recursive Deletion of the Nginx Configuration Di |
IV. Related Vulnerabilities
Same product: nginx-ui
- CVE-2026-42238
Unauthenticated Remote Code Execution via Backup Restore in - CVE-2026-42223
nginx-ui: Settings API Exposes Protected Secrets - CVE-2026-42222
nginx-ui: Unauthenticated first-boot instance claim via POST - CVE-2026-42221
nginx-ui: Unauthenticated First-Run Installer Allows Remote - CVE-2026-42220
nginx-ui: Authenticated settings disclosure exposes node.sec
Same vendor: 0xJacky
- CVE-2026-42238
Unauthenticated Remote Code Execution via Backup Restore in - CVE-2026-42223
nginx-ui: Settings API Exposes Protected Secrets - CVE-2026-42222
nginx-ui: Unauthenticated first-boot instance claim via POST - CVE-2026-42221
nginx-ui: Unauthenticated First-Run Installer Allows Remote - CVE-2026-42220
nginx-ui: Authenticated settings disclosure exposes node.sec
Same weakness: CWE-312
- CVE-2026-7163
Assisted-service: assisted-service: authenticated users can - CVE-2026-41385
OpenClaw < 2026.3.31 - Nostr Private Key Exposure via config - CVE-2026-6553
TYPO3 CMS Stores Cleartext Password in User Settings Module - CVE-2026-35644
OpenClaw < 2026.3.22 - Credential Exposure via baseUrl Field - CVE-2025-14815
Information Disclosure, Tampering, and Denial-of-Service Vul
V. Comments for CVE-2026-33026
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