VULNERABILITY INTELLIGENCE

CVE-2026-59846

CVSS score3.9 LOW
EPSS probability0.12%
CISA KEVNot currently listed
Published2026-07-21
Last modified2026-09-01
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

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.

Weakness classification

  • secalert@redhat.com: CWE-78
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-77

Primary references