{"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","CWE-459"],"vendor":"openbsd","product":"openssh","affected":["openssh < 10.6"],"patched":["openssh 10.6"],"published":"2026-10-06","updated":"2026-10-13","sourceUpdated":"2026-10-13T15:26:43.823","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"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106553.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-106553"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2547191"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-106553"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106553"},{"url":"https://access.redhat.com/errata/RHSA-2026:84849"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00136,"epssPercentile":0.03044,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-07T16:22:41.442164Z"},"ingestedAt":"2026-10-06T21:20:28.987Z","slug":"CVE-2026-106553","body":"## Overview\n\nIn sshd in OpenSSH before 10.6, credentials can incorrectly persist after failure of a GSSAPIAuthentication authentication attempt.\n\n## Affected\n\n- `openssh < 10.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `openssh 10.6`\n\n## Vendor advisories\n\n- **RHSA-2026:84849** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:84849)\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106553.json)","depth":"sunlit","depthScore":12,"depthScoreParts":{"impact":12.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}