SUSE SLES15: libipa_hbac-devel / libipa_hbac0 / libsss_certmap-devel / etc (SUSE-SU-2026:3139-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3139-1 advisory. This update for sssd fixes the following issues - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole...

RockyLinux 9 : sssd (RLSA-2026:42122)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:42122 advisory. sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation CVE-2026-14474 sssd: sssd:...

libssh: libssh: authentication bypass via missing GSSAPI principal check

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

CVE-2026-59851

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

CVE-2026-59851

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

CVE-2026-59851

A vulnerability in libssh affects servers with GSSAPIKeyExchange enabled. The gssapi-keyex path does not verify that the authenticated Kerberos principal is authorized for the requested local user, enabling authenticated clients to log in as arbitrary users. This is reported across multiple sourc...

CVE-2026-59851

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

CVE-2026-59851

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

CVE-2026-59851 Libssh: libssh: authentication bypass via missing gssapi principal check

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

EUVD-2026-46268

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

CVE-2026-59851 Libssh: libssh: authentication bypass via missing gssapi principal check

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

CVE-2026-59851

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users. Mitigation Disable GSSAPIKeyExchange...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the gssapi-keyex process due to missing verification of the Kerberos principal's authorization for the requested local user. An attacker can gain unauthorized access as arbitrary users by exploiting this flaw...

Amazon Linux 2 : krb5, --advisory ALAS2-2026-3798 (ALAS-2026-3798)

It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3798 advisory. An integer underflow vulnerability was found in MIT krb5 in the berval2tldata function in plugins/kdb/ldap/libkdbldap/ldapprincipal2.c. The function performs an unsigned subtraction bvlen - 2 without a...

PT-2026-61950

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

SUSE SLES12: libipa_hbac-devel / libipa_hbac0 / libsss_certmap0 / etc (SUSE-SU-2026:3131-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3131-1 advisory. This update for sssd fixes the following issues - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by...

RHEL 9 : sssd (RHSA-2026:42122)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42122 advisory. The System Security Services Daemon SSSD service provides a set of daemons to manage access to remote directories and authentication...

EulerOS Virtualization 2.12.0 : krb5 (EulerOS-SA-2026-2777)

According to the versions of the krb5 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2731)

According to the versions of the packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system with...

Important: Red Hat Security Advisory: sssd security update

An update for sssd is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...