Workaround below can be applied for this issue:
1. access https://<vRLI>:9543/api/v2/version to get proper product version
2. access Aria Operations for Logs virtual appliance by SSH then "cat /etc/vmware/.buildinfo"
3. change "version-api-authenticated" to false under "api-server" in Aria Operations for Logs' internal config, then obtain product version from “https://<Loginsight address>/api/v2/version/unauthenticated”
Please refer this KB on how to modify internal config:
Changing internal configuration options in VMware vRealize Log Insight (341917)