CVE-2026-109518 APT vulnerability: MitM attackers swap verified packages for root RCE. Patch versions for Ubuntu 22.04-26.10, Debian 12/13. Immediate mitigation steps.
root code execution
CVE-2026-109518 APT vulnerability: MitM attackers swap verified packages for root RCE. Patch versions for Ubuntu 22.04-26.10, Debian 12/13. Immediate mitigation steps.