CVE-2026-35386 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Openbsd	Openssh

No data.

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References

Link	Providers
https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2
https://www.openssh.org/releasenotes.html#10.3p1
https://www.openwall.com/lists/oss-security/2026/04/02/3

History

Thu, 02 Apr 2026 20:30:00 +0000

Type	Values Removed	Values Added
Description		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.
First Time appeared		Openbsd Openbsd openssh
Weaknesses		CWE-696
CPEs		cpe:2.3:a:openbsd:openssh::::::::
Vendors & Products		Openbsd Openbsd openssh
References		https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2 https://www.openssh.org/releasenotes.html#10.3p1 https://www.openwall.com/lists/oss-security/2026/04/02/3
Metrics		cvssV3_1 `{'score': 3.6, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-04-02T16:44:27.806Z

Updated: 2026-04-03T03:55:45.599Z

Reserved: 2026-04-02T16:44:27.451Z

Link: CVE-2026-35386

Vulnrichment

Updated: 2026-04-02T17:12:17.154Z

NVD

Status : Received

Published: 2026-04-02T17:16:27.623

Modified: 2026-04-02T17:16:27.623

Link: CVE-2026-35386

Redhat

No data.

OpenCVE Enrichment

No data.

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