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CVE-2026-28442

8.5 · HIGH

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI.

Published Mar 5, 2026CWE-73EPSS 0.42%

Overview

CVE-2026-28442 is a high-severity vulnerability. It was published on March 5, 2026 and has a CVSS 3.1 base score of 8.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/IceWhaleTech/ZimaOS/security/advisories/GHSA-q5hp-59wm-9xq3GitHubgithub.com/IceWhaleTech/ZimaOS/security/advisories/GHSA-q5hp-59wm-9xq3

How CyberStrike helps

Frequently asked questions

What is CVE-2026-28442?

CVE-2026-28442 is a high-severity vulnerability. It was published on March 5, 2026 and has a CVSS 3.1 base score of 8.5 (HIGH).

How severe is CVE-2026-28442?

This vulnerability has a CVSS 3.1 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-28442?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-28442?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-28442 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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