CVE-2026-31979

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. Prior to 3.1.0 and 2.3.8, the himmelblaud-tasks daemon, running as root, writes Kerberos cache files under /tmp/krb5cc without symlink protections. Since commit 87a51ee, PrivateTmp is explicitly removed from the task...

CVE-2026-31979 himmelblaud-tasks: local privilege escalation via /tmp symlink attack on Kerberos ccache

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. Prior to 3.1.0 and 2.3.8, the himmelblaud-tasks daemon, running as root, writes Kerberos cache files under /tmp/krb5cc without symlink protections. Since commit 87a51ee, PrivateTmp is explicitly removed from the task...

CVE-2026-31979

CVE-2026-31979 affects Himmelblau’s daemon (himmelblaud-tasks) running as root. The issue arises prior to 3.1.0 and 2.3.8 where the daemon writes Kerberos cache files under /tmp/krb5cc_ without symlink protections, and after commit 87a51ee PrivateTmp was removed from the systemd hardening, exposi...

CVE-2026-31979 himmelblaud-tasks: local privilege escalation via /tmp symlink attack on Kerberos ccache

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. Prior to 3.1.0 and 2.3.8, the himmelblaud-tasks daemon, running as root, writes Kerberos cache files under /tmp/krb5cc without symlink protections. Since commit 87a51ee, PrivateTmp is explicitly removed from the task...

CVE-2026-31979: Improper Link Resolution Before File Access

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. Prior to 3.1.0 and 2.3.8, the himmelblaud-tasks daemon, running as root, writes Kerberos cache files under /tmp/krb5cc without symlink protections. Since commit 87a51ee, PrivateTmp is explicitly removed from the task...