{"api_version":"1","generated_at":"2026-09-26T21:57:28+00:00","cve":"CVE-2026-100654","urls":{"html":"https://cve.report/CVE-2026-100654","api":"https://cve.report/api/cve/CVE-2026-100654.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-100654","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100654"},"summary":{"title":"vLLM before 0.29.0 Denial of Service via out-of-range stop_token_ids","description":"vLLM before 0.29.0 accepts user-controlled stop_token_ids on the OpenAI-compatible POST /v1/completions and POST /v1/chat/completions endpoints but validates only that the values are integers, not that each token id is within the model vocabulary/logits range. When min_tokens > 0, the stop token ids are used as logits indices to suppress stop tokens, so an out-of-range id reaches a CUDA indexing operation (index_put_) and triggers a device-side assertion. 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before 0.29.0 accepts user-controlled stop_token_ids on the OpenAI-compatible POST /v1/completions and POST /v1/chat/completions endpoints but validates only that the values are integers, not that each token id is within the model vocabulary/logits range. 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When min_tokens > 0, the stop token ids are used as logits indices to suppress stop tokens, so an out-of-range id reaches a CUDA indexing operation (index_put_) and triggers a device-side assertion. An authenticated API user can send a single malformed completion request that returns 500 Internal Server Error and puts EngineCore into a fatal state, causing subsequent requests to fail until the service is restarted (denial of service).","Type":"Description","Title":"vLLM before 0.29.0 Denial of Service via out-of-range stop_token"}]}}}