CVE-2026-89040 — Tencent Mass Service Engine in Cluster (MSEC) path traversal
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. A…
Published: 2026-09-15 · CVSS: 9.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7