CVE-2026-106553: In sshd in OpenSSH before 10.6, credentials can incorrectly persist after failure of a GSSAPIAuthentication authentication attempt.

Overview

Severity

Low (CVSS 2.2)

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-08

EPSS Score

0.08% (percentile: 0.3%)

Affected Products (1)

Other

• 21837-17084

Revision History

• 2026-10-08: Information published.