PT-2026-61936 · Libssh+1 · Libssh+1

CVE-2026-59846

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Published

2026-07-21

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Updated

2026-09-01

CVSS v3.1

3.9

Low

VectorAV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions libssh (affected versions not specified)
Description A flaw exists in the handling of ProxyCommand where a malicious username expanded through the %r variable can inject shell metacharacters. This can lead to the exposure of environment variables and cause unintended shell behavior.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

OS Command Injection

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Weakness Enumeration

Related Identifiers

ALSA-2026:55855
ALSA-2026:62217
ALSA-2026:62218
CVE-2026-59846
ECHO-689C-0CB6-4AE0
OPENSUSE-SU-2026:11377-1
OPENSUSE-SU-2026:21444-1
RHSA-2026:42922
SUSE-SU-2026:22940-1
SUSE-SU-2026:22948-1
SUSE-SU-2026:22956-1
SUSE-SU-2026:23056-1
SUSE-SU-2026:23168-1
SUSE-SU-2026:3302-1
SUSE-SU-2026:3330-1
SUSE-SU-2026:3463-1
USN-8699-1

Affected Products

Rocky Linux
Libssh