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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Affected Vendors & Products
References
History
Fri, 23 Jan 2026 16:45:00 +0000
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| First Time appeared |
Fleetdm
Fleetdm fleet |
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| Vendors & Products |
Fleetdm
Fleetdm fleet |
Thu, 22 Jan 2026 23:00:00 +0000
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| Metrics |
ssvc
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Wed, 21 Jan 2026 22:00:00 +0000
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| Description | 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. | |
| Title | Fleet has an Access Control vulnerability in debug/pprof endpoints | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-01-21T21:45:34.561Z
Updated: 2026-01-22T16:49:56.246Z
Reserved: 2026-01-13T18:22:43.979Z
Link: CVE-2026-23517
Updated: 2026-01-22T15:10:56.685Z
Status : Received
Published: 2026-01-21T22:15:49.997
Modified: 2026-01-21T22:15:49.997
Link: CVE-2026-23517
No data.