Upstream has released version 0.90.3 on April 11: http://www.glpi-project.org/spip.php?page=annonce&id_breve=358&lang=en It fixes an SQL injection security issue: https://github.com/glpi-project/glpi/issues/581 I don't know whether Mageia 5's version is affected. Fedora has issued an advisory for this on April 21: https://lists.fedoraproject.org/pipermail/package-announce/2016-April/182895.html
glpi-0.90.3-1.mga6 uploaded for Cauldron by Guillaume. Marking as FIXED for now. Feel free to re-open if you learn that the Mageia 5 version is affected.
Status: NEW => RESOLVEDResolution: (none) => FIXED