{"schema":"threatline.record/2","record":{"id":"CVE-2026-111923","aliases":["GHSA-x467-vgxf-2g6h"],"summary":"Fleet before 4.89.0 Unauthenticated DoS via Apple MDM Enrollment Plist Parsing","details":"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.","categories":["Unclassified"],"product":"fleet","vendor":"fleetdm","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111923","source_modified_at":"2026-10-19T16:39:31.301Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"fleet","vendor":"fleetdm","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"4.89.0"},{"version":"4.89.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111923","source_modified_at":"2026-10-19T16:39:31.301Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"fleet","ecosystem":null},"version":"4.89.0","basis":"first unaffected version stated in the CVE record"}],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00359,"percentile":0.28448,"score_date":"2026-10-23"},"published_at":"2026-10-17T18:46:36.681Z","modified_at":"2026-10-19T16:39:31.301Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111923","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T16:39:31.301Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111923","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/fleetdm/fleet/security/advisories/GHSA-x467-vgxf-2g6h","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/fleet-before-4.89.0-unauthenticated-dos-via-apple-mdm-enrollment-plist-parsing","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-19T15:42:28.531283Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-19T16:39:31.301Z","content_hash":"729f55fd086cd3bcc64feb2929ff181e6714d40cd5fe744e5ad901c7a05e550a"}}