CVE-2026-28286ZimaOS: Unauthorized Creation of Files/Folders in Restricted System Directories via API
Updated under an hour ago ()
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It affects IceWhaleTech ZimaOS and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 8.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-73
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Analyzed
- Record last updated
- Mar 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
IceWhaleTech ZimaOS icewhaletech:zimaos (from the name) | = 1.5.2-beta3 | CNA record |
zimaspace zimaos zimaspace:zimaos | 1.5.2 | NVD |
References
- https://github.com/IceWhaleTech/ZimaOS/security/advisories/GHSA-65mg-9gw5-vr7gx-refsource-confirm, exploit, mitigation, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.