Security Advisory

CVE-2026-59846

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-21 12:55:56
Last updated 2026-07-23 13:40:22
Assigner redhat
CVSS score not scored
State PUBLISHED

Description

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior.