CVE-2026-93839 — LightLLM through 1.2.0 Missing Authentication in PD Master /pd_register WebSocket Endpoint
LightLLM through 1.2.0 contains an authentication bypass vulnerability in the /pd_register WebSocket endpoint that allows unauthenticated attackers to register arbitrary nodes b…
Published: 2026-09-18 · CVSS: 9.3 · CVSS 4.0
LightLLM through 1.2.0 contains an authentication bypass vulnerability in the /pd_register WebSocket endpoint that allows unauthenticated attackers to register arbitrary nodes by supplying crafted JSON without peer address validation. Attackers can disclose full user prompts routed to their socket, trigger denial of service by replacing legitimate nodes, or make the PD Master issue requests to internal network addresses.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7