{"id":15223,"date":"2026-09-04T19:02:31","date_gmt":"2026-09-04T11:02:31","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-56624"},"modified":"2026-09-04T19:02:31","modified_gmt":"2026-09-04T11:02:31","slug":"cve-2026-56624","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-56624","title":{"rendered":"CVE-2026-56624 [HIGH] &#8211; Improper certificate validation in Apache MINA SSHD (server-side).\u00a0Apache MINA SSHD is a J"},"content":{"rendered":"<p>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","protected":false},"excerpt":{"rendered":"<p>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 us<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-15223","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/15223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}