CVE-2026-26220 – LightLLM

CVE ID : CVE-2026-26220

Published : Feb. 17, 2026, 1:52 a.m. | 45 minutes ago

Description : LightLLM version 1.1.0 and prior contain an unauthenticated remote code execution vulnerability in PD (prefill-decode) disaggregation mode. The PD master node exposes WebSocket endpoints that receive binary frames and pass the data directly to pickle.loads() without authentication or validation. A remote attacker who can reach the PD master can send a crafted payload to achieve arbitrary code execution.

Severity: 9.3 | CRITICAL

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