CVEvulnerability

CVE-2026-59846

3.9 LOW Published 2026-07-21 Modified 2026-09-01 Official page ↗
Status
Modified
Published
2026-07-21
Last modified
2026-09-01
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.9 LOW — CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weaknesses
CWE-77, CWE-78

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 configurations

• libssh libssh • redhat hardened images • redhat enterprise linux 8.0 • redhat enterprise linux 9.0 • redhat enterprise linux 10.0

Related

Weakness · CWE (2)

  • CWE-77 Improper Neutralization of Special Elements used in a Command weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References