CVE-2026-111923 – Fleet before 4.89.0 Unauthenticated DoS via Apple MDM Enrollment Plist Parsing

​CVE ID :CVE-2026-111923

Published : Oct. 17, 2026, 6:46 p.m. | 18 minutes ago

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.

Severity: 8.7 | HIGH

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