High severity7.5NVD Advisory· Published Oct 15, 2026· Updated Oct 15, 2026
CVE-2026-111160
CVE-2026-111160
Description
LightLLM through 1.2.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the inference worker by supplying the internal pd_kv_trans_params field to the /generate endpoint. Attackers can send a single request whose parameters cause pickle.loads to fail in InferSamplingParams, killing the inference thread while /health stays up and all later requests hang until restart.
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Affected products
1Patches
Vulnerability mechanics
References
5- github.com/ModelTC/LightLLM/issues/1629nvd
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/api_lightllm.pynvd
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/core/objs/sampling_params.pynvd
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/model_infer/infer_batch.pynvd
- www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-dos-via-pd-kv-trans-params-deserializationnvd
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