CVE-2026-109575: configuring tls_ca with a numeric tls_port disabled Basic authentication on the shared Data Plane API handler, leaving non-mTLS HTTP and UNIX listeners open.
systemd version the issue has been seen with 257.9 Used distribution Debian 13 Linux kernel version used 6.12.57+deb13-amd64 Component systemd-journald Expected behaviour you didn't see Log writes ...