OS Command Injection Affecting openssh package, versions <0:9.9p1-7.el10_0.3


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.25% (16th percentile)

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  • Snyk IDSNYK-RHEL10-OPENSSH-16347169
  • published3 May 2026
  • disclosed2 Apr 2026

Introduced: 2 Apr 2026

CVE-2026-35386  (opens in a new tab)
CWE-78  (opens in a new tab)

How to fix?

Upgrade RHEL:10 openssh to version 0:9.9p1-7.el10_0.3 or higher.
This issue was patched in RHSA-2026:12389.

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:10 relevant fixed versions and status.

In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default configurations of % in ssh_config.

CVSS Base Scores

version 3.1