/usr/share/maven-repo/org/w3c/css/sac/1.3/sac-1.3.jar is in libsac-java 1.3-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/w3c/css/sac/1.3/../../../../../../java/sac-1.3.jar