ikiwiki before 3.20170111.1 and 3.2018x and 3.2019x before 3.20190228 allows SSRF via the aggregate plugin. The impact also includes reading local files via file: URIs.
{ "binaries": [ { "binary_version": "3.20160121", "binary_name": "ikiwiki" } ] }
{ "binaries": [ { "binary_version": "3.20180228-1", "binary_name": "ikiwiki" } ] }