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CVE PROGRAM SOURCE RECORD3.9 Low

CVE-2026-59846

Libssh: libssh: information disclosure via proxycommand %r username expansion

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
redhat

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Enterprise Linux 10

Default version status: affected

  • 0:0.12.0-3.el10_2 to < *unaffected

Red Hat Red Hat Enterprise Linux 8

Default version status: affected

  • 0:0.9.6-17.el8_10 to < *unaffected

Red Hat Red Hat Enterprise Linux 8

Default version status: affected

  • 0:0.9.6-17.el8_10 to < *unaffected

Red Hat Red Hat Enterprise Linux 9

Default version status: affected

  • 0:0.10.4-19.el9_8 to < *unaffected

Red Hat Red Hat Enterprise Linux 9

Default version status: affected

  • 0:0.10.4-19.el9_8 to < *unaffected

Red Hat Red Hat Hardened Images

Default version status: affected

  • 0.12.1-4.hum1 to < *unaffected

References