Koji version 1.12, 1.13, 1.14 and 1.15 contain an incorrect access control vulnerability resulting in arbitrary filesystem read/write access. This vulnerability has been fixed in versions 1.12.1, 1.13.1, 1.14.1 and 1.15.1.
"https://github.com/pypa/advisory-database/blob/main/vulns/koji/PYSEC-2018-86.yaml"