OS Command Injection Affecting openssh package, versions <0:8.0p1-7.el8_4.3


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.15% (4th percentile)

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  • Snyk IDSNYK-RHEL8-OPENSSH-22501507
  • published12 Nov 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?

Upgrade RHEL:8 openssh to version 0:8.0p1-7.el8_4.3 or higher.
This issue was patched in RHSA-2026:99573.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by RHEL. See How to fix? for RHEL:8 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