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CVE-2026-103265

Fleet before 4.89.0 Information Disclosure via MDM Command Results

CVSS 4.0 5.3 MEDIUMCVSS 3.1 4.3 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-103265

Published

Fleet versions before 4.89.0 fail to properly filter MDM command results by team authorization in the commands/results endpoint. Team-scoped users can read MDM command results for hosts on other teams when a shared command UUID targets hosts across multiple teams, exposing host UUIDs, command payloads, and device responses.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-103265

Published

fleet

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "fleetdm",
                    "product": "fleet",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:golang/github.com/fleetdm/fleet",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "4.89.0"
                        },
                        {
                            "version": "4.89.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON