{"id":"CVE-2026-94423","published":"2026-10-21T22:16:50.480","lastModified":"2026-10-22T17:21:57.293","description":"Net::LibSSH versions before 0.004 for Perl authenticate to an unverified server because connect never checks the host key against known_hosts.\n\nconnect reports success as soon as ssh_connect returns SSH_OK. libssh leaves the known-hosts check to the application, and this binding never makes it, so the strict_hostkeycheck and knownhosts options are set on the session and then decide nothing.\n\nPassword, agent and public-key authentication, channel and SFTP operations all run on a session whose peer was never identified, so an attacker who can redirect the connection receives the password when password authentication is used, and commands and data sent over the session.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-322"],"vendors":[],"products":[],"references":[{"url":"https://github.com/Getty/p5-net-libssh/commit/29f509aacddb4b282ac9eb716d5ab326686d09a4.patch","tags":[]},{"url":"https://metacpan.org/release/GETTY/Net-LibSSH-0.004/changes","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/21/29","tags":[]}],"exploitRefs":[{"url":"https://github.com/Getty/p5-net-libssh/commit/29f509aacddb4b282ac9eb716d5ab326686d09a4.patch","tags":[]}],"hasPoc":true,"ai":null}