{"id":"CVE-2026-111923","revision":"5d896a0ac4b44dbe906fc9093817b9d8","records":[{"revision":"5d896a0ac4b44dbe906fc9093817b9d8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111923","aliases":[],"title":"Fleet before 4.89.0 Unauthenticated DoS via Apple MDM Enrollment Plist Parsing","description":"Fleet before 4.89.0 contains an unbounded recursion vulnerability in Apple MDM enrollment property list parsing that allows unauthenticated attackers to crash the server. Attackers can send a crafted binary plist payload of about 150 bytes to the enrollment endpoints, triggering exponential allocation or infinite recursion that exhausts CPU and memory.","state":0,"publishedAt":"2026-10-17T18:46:36.681+00:00","modifiedAt":"2026-10-19T16:39:31.301+00:00","affected":[{"ecosystem":"Vendor product","name":"fleet","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"fleetdm\",\n                    \"product\": \"fleet\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/fleetdm/fleet\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.89.0\"\n                        },\n                        {\n                            \"version\": \"4.89.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/fleetdm/fleet/security/advisories/GHSA-x467-vgxf-2g6h","https://www.vulncheck.com/advisories/fleet-before-4.89.0-unauthenticated-dos-via-apple-mdm-enrollment-plist-parsing"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111923","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111923","identifiers":["CVE-2026-111923"]},"retained":false,"historicalAffected":[]}],"coverage":[]}