---
id: CVE-2026-106553
title: >-
  In sshd in OpenSSH before 10.6, credentials can incorrectly persist after
  failure of a GSSAPIAuthentication authentication attempt.
summary: >-
  In sshd in OpenSSH before 10.6, credentials can incorrectly persist after
  failure of a GSSAPIAuthentication authentication attempt.
severity: low
cvss: 2.2
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N'
cwe:
  - CWE-669
vendor: OpenBSD
product: OpenSSH
affected:
  - OpenSSH < 10.6
published: '2026-10-06'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T17:16:50.640'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106553'
references:
  - url: 'https://www.openssh.org/releasenotes.html#10.6'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-07T16:22:41.442164Z'
epss: 0.00084
epssPercentile: 0.00252
ingestedAt: '2026-10-06T21:20:28.987Z'
---

## Overview

In sshd in OpenSSH before 10.6, credentials can incorrectly persist after failure of a GSSAPIAuthentication authentication attempt.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.