Fleet has an Access Control vulnerability in debug/pprof endpoints

Fleet is open source device management software. A broken access control issue in versions prior to 4.78.3, 4.77.1, 4.76.2, 4.75.2, and 4.53.3 allowed authenticated users to access debug and profiling endpoints regardless of role. As a result, low-privilege users could view internal server diagnostics and trigger resource-intensive profiling operations. Fleet’s debug/pprof endpoints are accessible to any authenticated user regardless of role, including the lowest-privilege “Observer” role. This allows low-privilege users to access sensitive server internals, including runtime profiling data and in-memory application state, and to trigger CPU-intensive profiling operations that could lead to denial of service. Versions 4.78.3, 4.77.1, 4.76.2, 4.75.2, and 4.53.3 fix the issue. If an immediate upgrade is not possible, users should put the debug/pprof endpoints behind an IP allowlist as a workaround.

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授权机制缺失

Fleet 安全漏洞

Fleet是Fleet的一个开源的设备管理平台，支持多种操作系统和设备，帮助 IT 和安全团队进行设备管理、漏洞报告、MDM 等操作，免费且灵活。 Fleet存在安全漏洞，该漏洞源于访问控制不当，可能导致低权限用户访问敏感服务器内部信息并触发资源密集型操作。以下版本受到影响：4.78.3之前版本、4.77.1之前版本、4.76.2之前版本、4.75.2之前版本和4.53.3之前版本。

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