CVE-2026-59999

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

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2	Release Notes
https://www.openssh.org/releasenotes.html#10.4p1	Release Notes
https://www.openwall.com/lists/oss-security/2026/07/06/5	Mailing List Release Notes

Configurations

Configuration 1 (hide)

cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-08 01:16

Updated : 2026-07-09 16:52

NVD link : CVE-2026-59999

Mitre link : CVE-2026-59999

CVE.ORG link : CVE-2026-59999

JSON object : View

Products Affected

openbsd

openssh

CWE

CWE-348

Use of Less Trusted Source

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