Industrial
CVE-2026-23517
HIGH
GHSA-4r5r-ccr6-q6f6
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Primary rating from GitHub Advisory.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Lifecycle Timeline
3DescriptionGitHub Advisory
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.
AnalysisAI
Fleet device management software versions prior to 4.78.3 suffer from broken access control that permits any authenticated user, including low-privilege observers, to access debug and profiling endpoints. Attackers can leverage this vulnerability to extract sensitive server diagnostics, runtime profiling data, and application state, or trigger CPU-intensive operations resulting in denial of service. The vulnerability affects multiple Fleet versions and has patches available.
Technical ContextAI
Classified as CWE-862 (Missing Authorization). Affects Fleet. 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
RemediationAI
A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.
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Same weakness CWE-862 – Missing Authorization
View allSame technique Denial Of Service
View allVendor StatusVendor
SUSE
Severity: High| Product | Status |
|---|---|
| openSUSE Leap 15.6 | Fixed |
| SUSE Linux Enterprise Module for Package Hub 15 SP5 | Fixed |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 | Fixed |
| openSUSE Leap 15.5 | Fixed |
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External POC / Exploit Code
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