setup.py in Prewikka 0.9.14 installs prewikka.conf with world-readable permissions, which allows local users to obtain the SQL database password.
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00771.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/59223
https://bugs.gentoo.org/show_bug.cgi?id=270056
http://www.openwall.com/lists/oss-security/2010/06/01/13