OS Command Injection Affecting openssh-keycat package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.15% (4th percentile)

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  • Snyk IDSNYK-RHEL7-OPENSSHKEYCAT-21603817
  • published23 Oct 2026
  • disclosed6 Oct 2026

Introduced: 6 Oct 2026

CVE-2026-106583  (opens in a new tab)
CWE-78  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 openssh-keycat.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh-keycat package and not the openssh-keycat package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line username, leading to injection.

CVSS Base Scores

version 3.1