PT-2026-56290 · Openssh+3 · Openssh+3

CVE-2026-59999

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Published

2026-07-08

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Updated

2026-08-25

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Name of the Vulnerable Software and Affected Versions OpenSSH versions prior to 10.4
Description In sshd, the configuration setting DisableForwarding=yes failed to take precedence over PermitTunnel=yes, allowing tunnel forwarding even when it should have been disabled.
Recommendations Update to version 10.4 or later.

Exploit

Fix

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Weakness Enumeration

Related Identifiers

AZL-92051
CVE-2026-59999
ECHO-EB7C-7431-A44D
JLSEC-2026-1323
OESA-2026-3349
OESA-2026-3350
OESA-2026-3351
OESA-2026-3352
OESA-2026-3428
OPENSUSE-SU-2026:21477-1
SUSE-SU-2026:22978-1
SUSE-SU-2026:3605-1
USN-8533-1

Affected Products

Ibm Aix
Linuxmint
Openssh
Ubuntu