{"api_version":"1","generated_at":"2026-07-17T22:48:09+00:00","cve":"CVE-2026-45309","urls":{"html":"https://cve.report/CVE-2026-45309","api":"https://cve.report/api/cve/CVE-2026-45309.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45309","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45309"},"summary":{"title":"AsyncSSH `AuthorizedKeysFile %u` path traversal allows attacker-selected authorized keys to authenticate a traversal username","description":"AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyncio framework. 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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.","Type":"Description","Title":"AsyncSSH `AuthorizedKeysFile %u` path traversal allows attacker-"}]}}}