{"id":14748,"date":"2026-09-04T19:02:11","date_gmt":"2026-09-04T11:02:11","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-45309"},"modified":"2026-09-04T19:02:11","modified_gmt":"2026-09-04T11:02:11","slug":"cve-2026-45309","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-45309","title":{"rendered":"CVE-2026-45309 [HIGH] &#8211; AsyncSSH is a Python package which provides an asynchronous client and server implementati"},"content":{"rendered":"<p>AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyncio framework. Prior to 2.23.0, AsyncSSH expands the OpenSSH-compatible AuthorizedKeysFile %u token in asyncssh\/config.py, asyncssh\/connection.py, asyncssh\/auth_keys.py, and asyncssh\/misc.py with the raw SSH username during pre-authentication server config reload, allowing a server configured with AuthorizedKeysFile authorized_keys\/%u to read an authorized-keys file outside the intended directory when the SSH username contains \/, , or .. path traversal segments and authenticate with an attacker-selected key file. This issue is fixed in version 2.23.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyncio framework. Prior to 2.23.0, AsyncSSH expands the OpenSSH<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14748","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14748","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=14748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}