CVE-2026-26220 - LightLLM <= 1.1.0 pd mode unsafe deserialization rce

CVE-2026-26220 - LightLLM <= 1.1.0 pd mode unsafe deserialization rce

CVE ID : CVE-2026-26220 Published : Feb. 17, 2026, 1:52 a.m. | 1 hour, 31 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 Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
CRITICAL
Published
Feb. 17, 2026
Impact: remote code execution