CVE-2026-59998

A flaw was found in OpenSSH. The sshd component has an undocumented security-relevant behavior where GSSAPIStrictAcceptorCheck has no value when the server is in a Windows Active Directory environment. This could lead to unintended information disclosure and impact data integrity. Mitigation To...

Improper Following of Specification by Caller

Overview Affected versions of this package are vulnerable to Improper Following of Specification by Caller due to the GSSAPIStrictAcceptorCheck process when the server operates in a Windows Active Directory environment. An attacker can bypass intended authentication checks by exploiting this...

UBUNTU-CVE-2026-59998

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...

CVE-2026-59998

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...

CVE-2026-59998

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...

CVE-2026-59998

OpenSSH sshd (CVE-2026-59998) affects builds before 10.4. The issue is an undocumented security-relevant behavior where GSSAPIStrictAcceptorCheck has no value when the server runs in Windows Active Directory. CVSS v3.1 base score 4.8 (Medium) and impact on confidentiality/integrity (Low) with net...

PT-2026-56289

Name of the Vulnerable Software and Affected Versions OpenSSH versions prior to 10.4 Description The sshd component contains an undocumented security-relevant behavior where the GSSAPIStrictAcceptorCheck setting is ignored and has no effect when the server is integrated into a Windows Active...

Linux Distros Unpatched Vulnerability : CVE-2026-59998

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...