Security Advisory

CVE-2026-59846

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-21 12:55:56

Last updated 2026-08-19 04:57:37

Assigner redhat

CVSS score 3.9

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.

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