Vulnerability in Icewhaletech Zimaos

CVE-2026-28286

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…

EPSS: 0.001 (25.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-28286?
CVE-2026-28286 is a high-severity vulnerability in Icewhaletech Zimaos, classified under External Control of File Name or Path. CVSS score: 8.6/10. Published 2026-03-02.
How severe is CVE-2026-28286?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2026-28286 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.