In sshd in OpenSSH before 10.6, GSSAPIAuthentication authentication state can incorrectly be persisted across authentication attempts.
https://www.openssh.org/releasenotes.html#10.6
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-93998
Source: Mitre, NVD
Published: 2026-10-06
Updated: 2026-10-13
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N
Severity: High
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS: 0.00136