In the change log of material master, it is shown that an entry was changed by user : SAP_WFRT.
SAP S/4HANA Cloud
SAP_WFRT is a technical user which mass maintenance uses to make changes.
The change was made via Product Mass Maintenance .
This is standard behavior.
SAP_WFRT, material master, change history, MM02, Manage Mass Processes - Products, Master Data Governance Consolidation , KBA , LO-MD-MM , Material Master , Problem