CVE-2025-61984

LowCVSS 3.6/10Last modified Oct 15, 2026

Description

ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)

Metrics

CVSS 3.1 3.6/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-159

Affected software

No affected versions have been published.

Timeline

Published: Oct 6, 2025
Last modified: Oct 15, 2026
NVD status: Deferred

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