{"id":49903,"date":"2026-10-01T10:35:22","date_gmt":"2026-10-01T07:35:22","guid":{"rendered":"https:\/\/trueconf.com/blog\/?p=49903"},"modified":"2026-10-01T12:19:24","modified_gmt":"2026-10-01T09:19:24","slug":"trueconf-server-security-update-september-2026","status":"publish","type":"post","link":"https:\/\/trueconf.com/blog\/update\/trueconf-server-security-update-september-2026","title":{"rendered":"TrueConf Server: Security Updates for September 2026"},"content":{"rendered":"<p><img decoding=\"async\" class=\"ui-mb-xs-3\" src=\"https:\/\/trueconf.com\/blog\/wp-content\/uploads\/2026\/09\/security-sept-2026-en-1.jpg\" alt=\"security updates\" loading=\"lazy\" title=\"\"><\/p>\n<p class=\"primary-medium-text ui-mb-xs-3\">We have released an important security update for <strong>September 2026<\/strong>. We recommend immediately upgrading to the  latest versions of TrueConf Server \u2014 <strong>5.3.10, 5.4.10 and 5.5.6<\/strong>.<\/p>\n<p class=\"primary-medium-text ui-mb-xs-3\">Declining to install the updates will <strong>reduce the protection<\/strong> of your video collaboration system against potential hacker attacks via the public Internet. Versions 5.4.10 and 5.3.10 are expected to be released soon.<\/p>\n<div class=\"accent-note accent-note--line ui-mb-md-1\">\n<p class=\"primary-medium-text ui-mb-sm-1\">\n        Important! The updates are free for both corporate and free versions of TrueConf Server. Re-registration is <strong>not required<\/strong> when updating from:\n     <\/p>\n<ul class=\"ui-list ui-list--medium\">\n<li class=\"ui-list__item ui-list__item--disc\">\n                from <strong>5.5.X<\/strong> to <strong>5.5.6<\/strong>\n         <\/li>\n<li class=\"ui-list__item ui-list__item--disc\">\n             from <strong>5.4.X<\/strong> to <strong>5.4.10<\/strong>\n         <\/li>\n<li class=\"ui-list__item ui-list__item--disc\">\n             from <strong>5.3.X<\/strong> to <strong>5.3.10<\/strong>\n         <\/li>\n<\/ul>\n<p><\/p>\n<p class=\"primary-medium-text ui-mb-sm-1\">\n        For versions <strong>5.2 and below<\/strong> \u2014 contact the manager or <a href=\"https:\/\/trueconf.com\/support\/technical-support\/add?id=1\" target=\"_blank\" rel=\"noopener\">technical support<\/a>.\n     <\/p>\n<p class=\"primary-medium-text ui-mb-xs-3\">\nWhen upgrading to version 5.5.6, your system drive must have free space equal to three times the current size of the system database (the <strong>database<\/strong> folder in the working directory). For example, if the database size is 100 GB, you must have 300 GB of free disk space available before upgrading.<\/p>\n<\/div>\n<p class=\"primary-medium-text ui-mb-xs-3\">\n   We recommend checking the <a href=\"https:\/\/trueconf.com\/blog\/knowledge-base\/update-trueconf-server\" target=\"_blank\" rel=\"noopener\">guide<\/a> and <a href=\"https:\/\/trueconf.com\/blog\/knowledge-base\/backup-restore-trueconf-server-settings\" target=\"_blank\" rel=\"noopener\">creating<\/a> a backup copy before installing the update. If you encounter issues starting TrueConf Server after the update, use your key to re-register the server.\n<\/p>\n<p class=\"primary-medium-text ui-mb-sm-3\">\n   For any questions, please contact <a href=\"https:\/\/trueconf.com\/support\/technical-support\/add?id=1\" target=\"_blank\" rel=\"noopener\">TrueConf technical support<\/a>.\n<\/p>\n<table class=\"ui-mb-xs-3\" style=\"overflow-x: auto; display: block;\">\n<thead>\n<tr>\n<th style=\"padding: 8px 16px; text-align: left; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\">\n<\/th>\n<th style=\"padding: 8px 16px; text-align: left; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><strong>TrueConf Server 5.5.6<\/strong><\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><strong>Windows &emsp; &emsp; &emsp;<\/strong><\/p>\n<\/td>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><a href=\"https:\/\/trueconf.com\/download\/trueconf_server_setup.exe\" target=\"_blank\" rel=\"noopener\">Download<\/a><\/a><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"ui-mb-xs-3\" style=\"overflow-x: auto; display: block;\">\n<thead>\n<tr>\n<th style=\"padding: 8px 16px; text-align: left; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\">\n<\/th>\n<th style=\"padding: 8px 16px; text-align: left; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><strong>TrueConf Server 5.5.6<\/strong><\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><strong>Debian 13<\/strong><\/p>\n<\/td>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><a href=\"https:\/\/download.trueconf.com\/download\/server\/linux\/trueconf_server_debian13_amd64.deb\" target=\"_blank\" rel=\"noopener\">Download<\/a><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><strong>Debian 12<\/strong><\/p>\n<\/td>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><a href=\"https:\/\/download.trueconf.com\/download\/server\/linux\/trueconf_server_debian12_amd64.deb\" target=\"_blank\" rel=\"noopener\">Download<\/a><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><strong>Debian 11<\/strong><\/p>\n<\/td>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><a href=\"https:\/\/download.trueconf.com\/download\/server\/linux\/trueconf_server_debian11_amd64.deb\" target=\"_blank\" rel=\"noopener\">Download<\/a><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><strong>CentOS Stream 9<\/strong><\/p>\n<\/td>\n<td style=\"padding: 8px 16px; border-bottom: 1px solid #F7F9FC; vertical-align: middle;\">\n<p class=\"primary-smallest-text\"><a href=\"https:\/\/trueconf.com\/download\/server\/linux\/trueconf_server_centos_stream9_x86_64.rpm\" target=\"_blank\" rel=\"noopener\">Download<\/a><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>We have released an important security update for September 2026. We recommend immediately upgrading to the latest versions of TrueConf Server \u2014 5.3.10, 5.4.10 and 5.5.6. Declining to install the updates will reduce the protection of your video collaboration system against potential hacker attacks via the public Internet. Versions 5.4.10 and 5.3.10 are expected to [&hellip;]<\/p>\n","protected":false},"author":58,"featured_media":49907,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[377],"tags":[167],"class_list":["post-49903","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-update","tag-trueconf-server","wpautop"],"_links":{"self":[{"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/posts\/49903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/users\/58"}],"replies":[{"embeddable":true,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/comments?post=49903"}],"version-history":[{"count":7,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/posts\/49903\/revisions"}],"predecessor-version":[{"id":49921,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/posts\/49903\/revisions\/49921"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/media\/49907"}],"wp:attachment":[{"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/media?parent=49903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/categories?post=49903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/tags?post=49903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}