CVE-2026-89040 [CRITICAL] – Tencent Mass Service Engine in Cluster (MSEC) allows a remote, unauthenticated attacker to

Tencent Mass Service Engine in Cluster (MSEC) allows a remote, unauthenticated attacker to send a crafted POST request including ../ and gain root access on the target device. An attacker who uploads a webshell can execute arbitrary code as root.