CVE-2026-59846
3.9
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Exploitability: 1.3 / Impact: 2.5
Source: secalert@redhat.com (Secondary)
Description
A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior.
Affected (5)
Products: Libssh: Libssh · Redhat: Enterprise Linux, Hardened Images
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| All versions | |
| Version 10.0 | |
| All versions |
Related CWEs
CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
References (4)
Source: secalert@redhat.com
Source: secalert@redhat.com
Issue TrackingVendor Advisory
Timeline
No history available yet.