CVE-2026-28286— ZimaOS: Unauthorized Creation of Files/Folders in Restricted System Directories via API
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I. Basic Information for CVE-2026-28286
Vulnerability Information
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Vulnerability Title
ZimaOS: Unauthorized Creation of Files/Folders in Restricted System Directories via API
Source: NVD (National Vulnerability Database)
Vulnerability Description
ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.5.2-beta3, the application enforces restrictions in the frontend/UI to prevent users from creating files or folders in internal OS paths. However, when interacting directly with the API, the restrictions are bypass-able. By sending a crafted request targeting paths like /etc, /usr, or other sensitive system directories, the API successfully creates files or directories in locations where normal users should have no write access. This indicates that the API does not properly validate the target path, allowing unauthorized operations on critical system directories. No known patch is publicly available.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
文件名或路径的外部可控制
Source: NVD (National Vulnerability Database)
Vulnerability Title
ZimaOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZimaOS是IceWhaleTech的一个开源的操作系统项目，旨在提供一个轻量级、高性能、安全的操作系统环境。 ZimaOS 1.5.2-beta3版本存在安全漏洞，该漏洞源于API未正确验证目标路径，可能导致在敏感系统目录中创建文件或目录。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| IceWhaleTech | ZimaOS | = 1.5.2-beta3 | - |
II. Public POCs for CVE-2026-28286
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|---|
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IV. Related Vulnerabilities
Same product: ZimaOS
- CVE-2026-28798
Arbitrary internal service access via /v1/sys/proxy when Clo - CVE-2026-28442
ZimaOS: Arbitrary Deletion of Internal System Files via API - CVE-2025-64427
ZimaOS is vulnerable to Server-Side Request Forgery (SSRF) - CVE-2026-21891
ZimaOS has Authentication Bypass via System-Level Username - CVE-2025-58432
ZimaOS Privilege Escalation using localhost calls to File A
Same vendor: IceWhaleTech
- CVE-2026-28798
Arbitrary internal service access via /v1/sys/proxy when Clo - CVE-2026-28442
ZimaOS: Arbitrary Deletion of Internal System Files via API - CVE-2025-64427
ZimaOS is vulnerable to Server-Side Request Forgery (SSRF) - CVE-2026-21891
ZimaOS has Authentication Bypass via System-Level Username - CVE-2025-58432
ZimaOS Privilege Escalation using localhost calls to File A
Same weakness: CWE-73
- CVE-2026-41693
i18next-fs-backend: Path traversal via unsanitised lng/ns al - CVE-2026-44127
Local File Inclusion (LFI) and Arbitrary File Deletion - CVE-2026-7633
Totolink N300RH cstecgi.cgi setUploadSetting file inclusion - CVE-2026-42424
OpenClaw < 2026.4.8 - Local File Exfiltration via Shared Rep - CVE-2026-41177
Squidex has Blind SSRF via file:// Protocol in Restore API l
V. Comments for CVE-2026-28286
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