Overview
What is CVE-2026-35388?
OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.
Vulnerability intelligence
CVE-2026-35388 and is rated Low severity with a CVSS score of 2.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.