CVE-2026-35386

| EUVD-2026-18400 LOW
2026-04-02 [email protected]
3.6
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Apr 02, 2026 - 17:22 vuln.today
EUVD ID Assigned
Apr 02, 2026 - 17:22 euvd
EUVD-2026-18400
CVE Published
Apr 02, 2026 - 17:16 nvd
LOW 3.6

Tags

Information Disclosure Ssh

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.

Analysis

OpenSSH before version 10.3 allows local privilege escalation through shell metacharacter injection in usernames when non-default ssh_config token expansion (%) is enabled. A local authenticated attacker with limited privileges can execute arbitrary commands by crafting a malicious username containing shell metacharacters, provided the system administrator has configured ssh_config to expand user-controlled tokens. …

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Priority Score

18
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +18
POC: 0

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CVE-2026-35386 vulnerability details – vuln.today
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