CVE-2026-21891— ZimaOS 安全漏洞

ZimaOS has Authentication Bypass via System-Level Username

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 known system service account. The application's login function fails to properly handle the password validation result for these users, effectively granting authenticated access to anyone who knows one of these common usernames and provides any password. As of time of publication, no known patched versions are available.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

认证机制不恰当

ZimaOS 安全漏洞

ZimaOS是IceWhaleTech的一个开源的操作系统项目，旨在提供一个轻量级、高性能、安全的操作系统环境。 ZimaOS 1.5.0及之前版本存在安全漏洞，该漏洞源于密码验证不当，可能导致未经授权的访问。

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