Fleet has observer-level enrollment secret extraction via ORDER BY oracle on labels host-listing endpoint

Summary A vulnerability in Fleet's labels host-listing endpoint allowed authenticated users with the lowest-privilege Observer role to extract host enrollment secrets nodekey, orbitnodekey through a cursor-based binary search oracle. The endpoint accepted a user-supplied orderkey parameter that w...

PT-2026-49056

Name of the Vulnerable Software and Affected Versions Fleet versions prior to 4.85.0 Description Authenticated users with the lowest-privilege Observer role can extract host enrollment secrets, specifically node key and orbit node key, using a cursor-based binary search oracle. The issue exists i...