CVE-2026-89040

CRITICALCVSS 9.8

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.

Published 2026-09-15 · last modified 2026-09-15

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.