Critical severity9.8NVD Advisory· Published Sep 29, 2026· Updated Sep 29, 2026
CVE-2026-103040
CVE-2026-103040
Description
LightLLM through 1.2.0 contains a remote code execution vulnerability in the router profiler service when started with --enable_profiling flag. The service exposes an unauthenticated RPyC server with pickle deserialization enabled, allowing attackers to execute arbitrary code by sending crafted serialized objects to the profiler command queue.
Affected products
1Patches
Vulnerability mechanics
References
4- github.com/ModelTC/LightLLM/issues/1597nvd
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/profiler_service.pynvd
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/profiler_service.pynvd
- www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-router-profiler-rpyc-servicenvd
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