{"id":"CVE-2026-111160","title":"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","summary":"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 sing…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-502"],"vendor":"ModelTC","product":"LightLLM","affected":["LightLLM <= 1.2.0"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T19:17:31.217","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-111160","references":[{"url":"https://github.com/ModelTC/LightLLM","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ModelTC/LightLLM/issues/1629","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/api_lightllm.py#L37-L43","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/core/objs/sampling_params.py#L356-L357","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/model_infer/infer_batch.py#L484-L485","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-dos-via-pd-kv-trans-params-deserialization","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-15T19:25:46.418Z","slug":"CVE-2026-111160","body":"## Overview\n\nLightLLM 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}