ZimaOS - Authentication Bypass

ZimaOS = 1.5.0 contains a broken authentication caused by improper password validation for known system service accounts in the login function, letting attackers authenticate with any password for these accounts, exploit requires knowledge of common usernames. id: CVE-2026-21891 info: name: ZimaO...

ZimaOS <= v1.2.4 - Sensitive Information Disclosure

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.2.4 and all prior versions, the API endpoints in ZimaOS, such as http:///v1/users/image?path=/var/lib/casaos/1/apporder.json and http:///v1/users/image?path=/var/lib/casaos/1/system.json,...

zimaos-cve-2026-28286-arbitrary-file-write

🚨 CVE-2026-28286 — ZimaOS Arbitrary File Write From API Misconfiguration → Arbitrary File Write → Potential System Compromise ⚡ TL;DR Endpoint: /v21/files/file Issue: No path validation Impact: Arbitrary file write outside the intended directory Severity: 🔴 Critical 🧪 Quick Start git clone...

Exploit for External Control of File Name or Path in Zimaspace Zimaos

zimaos-cve-2026-28286...

CVE-2026-28798

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint /v1/sys/proxy exposed by ZimaOS's web interface can be abused via an externally reachable domain using a Cloudflare Tunnel to make requests to internal localhost...

CVE-2026-28798

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint /v1/sys/proxy exposed by ZimaOS's web interface can be abused via an externally reachable domain using a Cloudflare Tunnel to make requests to internal localhost...

CVE-2026-28798 Arbitrary internal service access via /v1/sys/proxy when Cloudflare Tunnel is enabled on ZimaOS

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint /v1/sys/proxy exposed by ZimaOS's web interface can be abused via an externally reachable domain using a Cloudflare Tunnel to make requests to internal localhost...

CVE-2026-28798

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint /v1/sys/proxy exposed by ZimaOS's web interface can be abused via an externally reachable domain using a Cloudflare Tunnel to make requests to internal localhost...

CVE-2026-28798 Arbitrary internal service access via /v1/sys/proxy when Cloudflare Tunnel is enabled on ZimaOS

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint /v1/sys/proxy exposed by ZimaOS's web interface can be abused via an externally reachable domain using a Cloudflare Tunnel to make requests to internal localhost...

CVE-2026-28798

ZimaOS (fork of CasaOS for Zima devices and x86-64 with UEFI) before version 1.5.3 exposes a proxy endpoint at /v1/sys/proxy in its web interface. When the product is reachable from the Internet via a Cloudflare Tunnel , an externally reachable domain can abuse this endpoint to make requests to i...

EUVD-2026-18843

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint /v1/sys/proxy exposed by ZimaOS's web interface can be abused via an externally reachable domain using a Cloudflare Tunnel to make requests to internal localhost...

CVE-2026-28798 Arbitrary internal service access via /v1/sys/proxy when Cloudflare Tunnel is enabled on ZimaOS

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint /v1/sys/proxy exposed by ZimaOS's web interface can be abused via an externally reachable domain using a Cloudflare Tunnel to make requests to internal localhost...

ZimaOS code-related vulnerabilities

ZimaOS is an open-source operating system project by IceWhaleTech, aimed at providing a lightweight, high-performance, and secure operating environment. Versions of ZimaOS prior to 1.5.3 had code vulnerabilities. These vulnerabilities stemmed from the exposed proxy endpoints in the web interface,...

PT-2026-30213

Name of the Vulnerable Software and Affected Versions ZimaOS versions prior to 1.5.3 Description ZimaOS, a fork of CasaOS, has an issue where the /v1/sys/proxy API endpoint, exposed through its web interface, can be exploited to make requests to internal localhost services. This allows...

CVE-2026-28798: Server-Side Request Forgery (SSRF)

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint /v1/sys/proxy exposed by ZimaOS's web interface can be abused via an externally reachable domain using a Cloudflare Tunnel to make requests to internal localhost...

CVE-2026-28442

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...

VulnCheck KEV: CVE-2026-21891

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In versions up to and including 1.5.0, the application checks the validity of the username but appears to skip, misinterpret, or incorrectly validate the password when the provided username matches a...

CVE-2026-28442

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...

CVE-2026-28442

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...

CVE-2026-28442

ZimaOS 1.5.2-beta3 (a CasaOS fork) exposes an improper input validation and broken access control in filesystem operations. By altering the path parameter in the delete API, restricted system files/directories can be removed, bypassing UI protections. Backend lacks validation to ensure the path i...