{"cve":"CVE-2026-23517","nvd":{"published":"2026-01-21T22:15:49.997","modified":"2026-06-17T10:21:42.730","status":"Analyzed","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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","score":6.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":8.1},"cwes":["CWE-862"],"references":["https://github.com/fleetdm/fleet/commit/5c030e32a3a9bc512355b5e1bf19636e4e6d0317","https://github.com/fleetdm/fleet/security/advisories/GHSA-4r5r-ccr6-q6f6"],"products":["fleetdm:fleet"],"source":"nvd","synced_at":"2026-10-19T22:21:16.563232421+00:00"},"epss":{"cve":"CVE-2026-23517","score":0.00292,"percentile":0.21828,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4r5r-ccr6-q6f6","url":"https://osv.dev/vulnerability/GHSA-4r5r-ccr6-q6f6","summary":"Fleet has an Access Control vulnerability in debug/pprof endpoints","modified":"2026-02-28T06:26:16.513494Z","packages":[{"ecosystem":"Go","name":"github.com/fleetdm/fleet","purl":"pkg:golang/github.com/fleetdm/fleet","ranges":[">=4.78.0 <4.78.3"],"fixed":["4.78.3"]},{"ecosystem":"Go","name":"github.com/fleetdm/fleet","purl":"pkg:golang/github.com/fleetdm/fleet","ranges":[">=4.77.0 <4.77.1"],"fixed":["4.77.1"]},{"ecosystem":"Go","name":"github.com/fleetdm/fleet","purl":"pkg:golang/github.com/fleetdm/fleet","ranges":[">=4.76.0 <4.76.2"],"fixed":["4.76.2"]},{"ecosystem":"Go","name":"github.com/fleetdm/fleet","purl":"pkg:golang/github.com/fleetdm/fleet","ranges":[">=4.75.0 <4.75.2"],"fixed":["4.75.2"]},{"ecosystem":"Go","name":"github.com/fleetdm/fleet/v4","purl":"pkg:golang/github.com/fleetdm/fleet/v4","ranges":["<4.78.3-0.20260112221730-5c030e32a3a9"],"fixed":["4.78.3-0.20260112221730-5c030e32a3a9"]}]},{"id":"GO-2026-4334","url":"https://osv.dev/vulnerability/GO-2026-4334","summary":"Fleet has an Access Control vulnerability in debug/pprof endpoints in github.com/fleetdm/fleet","modified":"2026-02-03T22:40:57.331115Z","packages":[{"ecosystem":"Go","name":"github.com/fleetdm/fleet/v4","purl":"pkg:golang/github.com/fleetdm/fleet/v4","ranges":[">=4.75.0 <4.75.2",">=4.76.0 <4.76.2",">=4.77.0 <4.77.1",">=4.78.0 <4.78.3"],"fixed":["4.75.2","4.76.2","4.77.1","4.78.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}