CVE-2026-59846

ADVISORY - nist

Summary

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.

EPSS Score⁠: 0.00119 (0.020)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-77⁠

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-78⁠

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Impacted images

Advisories

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