{"id":82309,"date":"2026-07-21T00:46:49","date_gmt":"2026-07-20T21:16:49","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-56624-apache-mina-sshd-ssh-certificate-options-lack-validations\/"},"modified":"2026-07-21T00:46:49","modified_gmt":"2026-07-20T21:16:49","slug":"cve-2026-56624-apache-mina-sshd-ssh-certificate-options-lack-validations","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-56624-apache-mina-sshd-ssh-certificate-options-lack-validations\/","title":{"rendered":"CVE-2026-56624 &#8211; Apache MINA SSHD: SSH certificate options lack validations"},"content":{"rendered":"<p>CVE ID :CVE-2026-56624<\/p>\n<p>  Published : July 20, 2026, 9:16 p.m. | 28\u00a0minutes ago<\/p>\n<p>  Description :Improper certificate validation in Apache MINA SSHD (server-side).\u00a0Apache MINA SSHD is a Java library for client-side and server-side SSH.<\/p>\n<p>Server-side OpenSSH user certificate validation during user authentication in an Apache MINA SSHD server did not check for the unsupported force-command or verify-required options that could be embedded in the certificate, nor did it validate these options. As a result it was possible that a user could authenticate with such a certificate that included a force-command option but still was able to execute other commands. What other command exactly would be available to the user depends on the implementation of the server.<\/p>\n<p>This issue is fixed in Apache MINA SSHD 2.19.0 and 3.0.0-M5. Applications are advised to upgrade to these versions.<\/p>\n<p>The fix rejects OpenSSH user certificates that include these options, since Apache MINA SSHD implements neither force-command nor sk-*-cert-v01@openssh.com user certificates (which are the only ones for which verify-required would make sense).<\/p>\n<p>  Severity: 7.3 | HIGH<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-56624 Published : July 20, 2026, 9:16 p.m. | 28\u00a0minutes ago Description :Improper certificate validation in Apache MINA SSHD (server-side).\u00a0Apache MINA SSHD is a Java library for client-side and server-side SSH. Server-side OpenSSH user certificate validation during user authentication in an Apache MINA SSHD server did not check for the unsupported force-command or &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-82309","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=82309"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82309\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}