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.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-103040 ↗
- github.com/ModelTC/LightLLM ↗
- github.com/ModelTC/LightLLM/issues/1597 ↗
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/profiler_service.py ↗
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/profiler_service.py ↗
- www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-router-profiler-rpyc-service ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.