Name: CVE-2026-106586: Always-Incorrect Control Flow Implementation
Creator: Rapid7
Published: 2026-10-06T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-106586, CWE-670, CVSS 4.3, EPSS 0.00124

In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not, a different vulnerability than CVE-2026-73283.

CVSS Details

CVSS 3.1 Base Score: 4.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon_linux_2023	—	Upgrade openssh-debugsourceUpgrade openssh-keycatUpgrade openssh-server-debuginfoUpgrade openssh-debuginfoUpgrade openssh-serverUpgrade opensshUpgrade openssh-keycat-debuginfoUpgrade openssh-clients-debuginfoUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-clientsUpgrade openssh-sk-dummy-debuginfoUpgrade pam_ssh_agent_authUpgrade openssh-sk-dummy	Nov 2, 2026	Oct 6, 2026
Openbsd Openssh	—	Upgrade to OpenSSH version 10.6	Oct 14, 2026	Oct 6, 2026
Ubuntu	—	Upgrade openssh-server-gssapiUpgrade openssh-clientUpgrade openssh-client-gssapiUpgrade openssh-server	Oct 14, 2026	Oct 7, 2026
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	Nov 6, 2026	Oct 6, 2026

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CVSS Details

Covered by Rapid7

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