CVE-2026-33631

CVE-2026-33631 affects ClearanceKit on macOS. In the 4.1 branch and earlier, the opfilter Endpoint Security system extension enforced file access policy only for ES_EVENT_TYPE_AUTH_OPEN; seven additional file operation events were not intercepted, allowing local processes to bypass FAA policy wit...

CVE-2026-33631 ClearanceKit: opfilter policy bypass via non-open file operations

ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. In versions on the 4.1 branch and earlier, the opfilter Endpoint Security system extension enforced file access policy exclusively by intercepting ESEVENTTYPEAUTHOPEN events. Seven additional file...

CVE-2026-33631 ClearanceKit: opfilter policy bypass via non-open file operations

ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. In versions on the 4.1 branch and earlier, the opfilter Endpoint Security system extension enforced file access policy exclusively by intercepting ESEVENTTYPEAUTHOPEN events. Seven additional file...