{"id":1519,"date":"2026-10-22T08:10:12","date_gmt":"2026-10-22T06:10:12","guid":{"rendered":"https:\/\/www.os4x.com\/?p=1519"},"modified":"2026-10-22T08:10:12","modified_gmt":"2026-10-22T06:10:12","slug":"critical-php-vulnerability-update-required","status":"publish","type":"post","link":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/","title":{"rendered":"Critical PHP vulnerability \u2013 update required"},"content":{"rendered":"<p>Dear Customers,<\/p>\n<p>&nbsp;<\/p>\n<p>A critical vulnerability has been patched in PHP. Since OS4X uses PHP as a backend, we strongly recommend updating to one of the patched versions:<\/p>\n<ul>\n<li>8.5.12<\/li>\n<li>8.4.27<\/li>\n<li>8.3.36<\/li>\n<li>8.2.35<\/li>\n<\/ul>\n<p>As this vulnerability affects all PHP versions\u2014dating back as far as 20 years\u2014an update is essential. For all customers with a managed service agreement, the PHP version has already been updated. Should you require assistance, you may book a 30-minute support session with us at <a href=\"https:\/\/booking.c-works.de\/team\/support\" target=\"_blank\" rel=\"noopener\">https:\/\/booking.c-works.de\/team\/support<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dear Customers, &nbsp; A critical vulnerability has been patched in PHP. Since OS4X uses PHP as a backend, we strongly recommend updating to one of the patched versions: 8.5.12 8.4.27 8.3.36 8.2.35 As this vulnerability affects all PHP versions\u2014dating back as far as 20 years\u2014an update is essential. For all customers with a managed service [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-1519","post","type-post","status-publish","format-standard","hentry","category-release_en"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"admin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"de_DE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"OS4X | Das OFTP System f\u00fcr Unix\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Critical PHP vulnerability \u2013 update required | OS4X\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-10-22T06:10:12+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-10-22T06:10:12+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Critical PHP vulnerability \u2013 update required | OS4X\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/#article\",\"name\":\"Critical PHP vulnerability \\u2013 update required | OS4X\",\"headline\":\"Critical PHP vulnerability \\u2013 update required\",\"author\":{\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/author\\\/admin\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/#organization\"},\"datePublished\":\"2026-10-22T08:10:12+02:00\",\"dateModified\":\"2026-10-22T08:10:12+02:00\",\"inLanguage\":\"de-DE\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/#webpage\"},\"articleSection\":\"Release\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/category\\\/en\\\/#listItem\",\"name\":\"EN\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/category\\\/en\\\/#listItem\",\"position\":2,\"name\":\"EN\",\"item\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/category\\\/en\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/category\\\/en\\\/release_en\\\/#listItem\",\"name\":\"Release\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/category\\\/en\\\/release_en\\\/#listItem\",\"position\":3,\"name\":\"Release\",\"item\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/category\\\/en\\\/release_en\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/#listItem\",\"name\":\"Critical PHP vulnerability \\u2013 update required\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/category\\\/en\\\/#listItem\",\"name\":\"EN\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/#listItem\",\"position\":4,\"name\":\"Critical PHP vulnerability \\u2013 update required\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/category\\\/en\\\/release_en\\\/#listItem\",\"name\":\"Release\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/#organization\",\"name\":\"OS4X\",\"description\":\"Das OFTP System f\\u00fcr Unix\",\"url\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/author\\\/admin\\\/#author\",\"url\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/author\\\/admin\\\/\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/#authorImage\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e140aa002eca8fed324026a6095e580b88d756840c375e9e5c4112f797e67d96?s=96&d=blank&r=g\",\"width\":96,\"height\":96,\"caption\":\"admin\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/#webpage\",\"url\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/\",\"name\":\"Critical PHP vulnerability \\u2013 update required | OS4X\",\"inLanguage\":\"de-DE\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/2026\\\/10\\\/22\\\/critical-php-vulnerability-update-required\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/author\\\/admin\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/author\\\/admin\\\/#author\"},\"datePublished\":\"2026-10-22T08:10:12+02:00\",\"dateModified\":\"2026-10-22T08:10:12+02:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/#website\",\"url\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/\",\"name\":\"OS4X\",\"description\":\"Das OFTP System f\\u00fcr Unix\",\"inLanguage\":\"de-DE\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.os4x.com\\\/de\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Critical PHP vulnerability \u2013 update required | OS4X","description":"","canonical_url":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/#article","name":"Critical PHP vulnerability \u2013 update required | OS4X","headline":"Critical PHP vulnerability \u2013 update required","author":{"@id":"https:\/\/www.os4x.com\/de\/author\/admin\/#author"},"publisher":{"@id":"https:\/\/www.os4x.com\/de\/#organization"},"datePublished":"2026-10-22T08:10:12+02:00","dateModified":"2026-10-22T08:10:12+02:00","inLanguage":"de-DE","mainEntityOfPage":{"@id":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/#webpage"},"isPartOf":{"@id":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/#webpage"},"articleSection":"Release"},{"@type":"BreadcrumbList","@id":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/#listItem","position":1,"name":"Home","item":"https:\/\/www.os4x.com\/de\/","nextItem":{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/category\/en\/#listItem","name":"EN"}},{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/category\/en\/#listItem","position":2,"name":"EN","item":"https:\/\/www.os4x.com\/de\/category\/en\/","nextItem":{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/category\/en\/release_en\/#listItem","name":"Release"},"previousItem":{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/category\/en\/release_en\/#listItem","position":3,"name":"Release","item":"https:\/\/www.os4x.com\/de\/category\/en\/release_en\/","nextItem":{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/#listItem","name":"Critical PHP vulnerability \u2013 update required"},"previousItem":{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/category\/en\/#listItem","name":"EN"}},{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/#listItem","position":4,"name":"Critical PHP vulnerability \u2013 update required","previousItem":{"@type":"ListItem","@id":"https:\/\/www.os4x.com\/de\/category\/en\/release_en\/#listItem","name":"Release"}}]},{"@type":"Organization","@id":"https:\/\/www.os4x.com\/de\/#organization","name":"OS4X","description":"Das OFTP System f\u00fcr Unix","url":"https:\/\/www.os4x.com\/de\/"},{"@type":"Person","@id":"https:\/\/www.os4x.com\/de\/author\/admin\/#author","url":"https:\/\/www.os4x.com\/de\/author\/admin\/","name":"admin","image":{"@type":"ImageObject","@id":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/#authorImage","url":"https:\/\/secure.gravatar.com\/avatar\/e140aa002eca8fed324026a6095e580b88d756840c375e9e5c4112f797e67d96?s=96&d=blank&r=g","width":96,"height":96,"caption":"admin"}},{"@type":"WebPage","@id":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/#webpage","url":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/","name":"Critical PHP vulnerability \u2013 update required | OS4X","inLanguage":"de-DE","isPartOf":{"@id":"https:\/\/www.os4x.com\/de\/#website"},"breadcrumb":{"@id":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/#breadcrumblist"},"author":{"@id":"https:\/\/www.os4x.com\/de\/author\/admin\/#author"},"creator":{"@id":"https:\/\/www.os4x.com\/de\/author\/admin\/#author"},"datePublished":"2026-10-22T08:10:12+02:00","dateModified":"2026-10-22T08:10:12+02:00"},{"@type":"WebSite","@id":"https:\/\/www.os4x.com\/de\/#website","url":"https:\/\/www.os4x.com\/de\/","name":"OS4X","description":"Das OFTP System f\u00fcr Unix","inLanguage":"de-DE","publisher":{"@id":"https:\/\/www.os4x.com\/de\/#organization"}}]},"og:locale":"de_DE","og:site_name":"OS4X | Das OFTP System f\u00fcr Unix","og:type":"article","og:title":"Critical PHP vulnerability \u2013 update required | OS4X","og:url":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/","article:published_time":"2026-10-22T06:10:12+00:00","article:modified_time":"2026-10-22T06:10:12+00:00","twitter:card":"summary","twitter:title":"Critical PHP vulnerability \u2013 update required | OS4X"},"aioseo_meta_data":{"post_id":"1519","title":null,"description":null,"keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"Article","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":{"subject":"","preview":"","content":""},"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2026-10-22 06:09:08","updated":"2026-10-22 08:38:16","seo_analyzer_scan_date":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.os4x.com\/de\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.os4x.com\/de\/category\/en\/\" title=\"EN\">EN<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.os4x.com\/de\/category\/en\/release_en\/\" title=\"Release\">Release<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tCritical PHP vulnerability \u2013 update required\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.os4x.com\/de\/"},{"label":"EN","link":"https:\/\/www.os4x.com\/de\/category\/en\/"},{"label":"Release","link":"https:\/\/www.os4x.com\/de\/category\/en\/release_en\/"},{"label":"Critical PHP vulnerability \u2013 update required","link":"https:\/\/www.os4x.com\/de\/2026\/10\/22\/critical-php-vulnerability-update-required\/"}],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/posts\/1519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/comments?post=1519"}],"version-history":[{"count":1,"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/posts\/1519\/revisions"}],"predecessor-version":[{"id":1520,"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/posts\/1519\/revisions\/1520"}],"wp:attachment":[{"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/media?parent=1519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/categories?post=1519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.os4x.com\/de\/wp-json\/wp\/v2\/tags?post=1519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}