CVE-2026-106553 in OpenSSH

Summary

by MITRE • 10/06/2026

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

• Responsible: MITRE
• Reservation: 10/06/2026
• Disclosure: 10/06/2026
• Moderation: accepted
• Entry: VDB-414641
• CPE: 20261006
• CWE: CWE-200 (confirmed)
• CVSS: 2.2 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Hospital, Insurance, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-106553
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-106553
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-106553/