In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.
History

Wed, 08 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 08 Jul 2026 12:15:00 +0000

Type Values Removed Values Added
Title openssh: OpenSSH sshd: Security bypass due to incorrect handling of forwarding and tunneling options
Weaknesses CWE-358
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 08 Jul 2026 01:00:00 +0000

Type Values Removed Values Added
Description In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.
First Time appeared Openbsd
Openbsd openssh
Weaknesses CWE-348
CPEs cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
Vendors & Products Openbsd
Openbsd openssh
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-07-08T00:13:08.397Z

Updated: 2026-07-08T13:07:51.541Z

Reserved: 2026-07-08T00:13:08.024Z

Link: CVE-2026-59999

cve-icon Vulnrichment

Updated: 2026-07-08T13:07:47.541Z

cve-icon NVD

No data.

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-07-08T00:13:08Z

Links: CVE-2026-59999 - Bugzilla