Name: CVE-2026-106555: Incorrect Resource Transfer Between Spheres
Creator: Rapid7
Published: 2026-10-06T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-106555, CWE-669, CVSS 7.5, EPSS 0.00136

In sshd in OpenSSH before 10.6, GSSAPIAuthentication authentication state can incorrectly be persisted across authentication attempts.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon_linux_2023	—	Upgrade openssh-clients-debuginfoUpgrade openssh-sk-dummyUpgrade openssh-serverUpgrade openssh-keycat-debuginfoUpgrade opensshUpgrade openssh-sk-dummy-debuginfoUpgrade openssh-server-debuginfoUpgrade pam_ssh_agent_authUpgrade openssh-clientsUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-debugsourceUpgrade openssh-debuginfoUpgrade openssh-keycat	Nov 2, 2026	Oct 6, 2026
Openbsd Openssh	—	Upgrade to OpenSSH version 10.6	Oct 14, 2026	Oct 6, 2026
Redhat_linux	—	No solution exists	Oct 13, 2026	Oct 6, 2026
Ubuntu	—	Upgrade openssh-server-gssapiUpgrade openssh-client-gssapiUpgrade openssh-serverUpgrade openssh-client	Oct 14, 2026	Oct 7, 2026
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	Nov 4, 2026	Oct 6, 2026

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CVSS Details

Covered by Rapid7

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