PNP4Nagios through 81ebfc5 has stored XSS in the AJAX controller via the basket API and filters. This affects 0.6.26.
PNP4Nagios through 81ebfc5 lacks CSRF protection in the AJAX controller. This affects 0.6.26.
PNP4Nagios 0.6 through 0.6.16 uses world-readable permissions for processperfdata.cfg, which allows local users to obtain the Gearman shared secret by reading the file.
PNP4Nagios through 0.6.26 has /usr/bin/npcd and npcd.cfg owned by an unprivileged account but root code execution depends on these files, which allows local users to gain privileges by leveraging access to this unprivileged account.