En resumen
- CVE-2026-93840 es una vulnerabilidad MEDIO (CVSS 5.3) que afecta a vllm, vllm (vllm).
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.25%, mayor que el 15.9% de las vulnerabilidades.
- Solución: actualizar a 0.29.0 o posterior.
| Package | Affected versions | Patched versions |
|---|
| vllm PyPI | < 0.29.0
| 0.29.0
|
| vllm | < 0.29.0
| 0.29.0
|
Description
vLLM before 0.29.0 validates allowed_token_ids against tokenizer length instead of model output logits width in SamplingParams._validate_allowed_token_ids(). Attackers can supply token IDs above the output vocabulary that pass validation, causing LogitBiasState to corrupt GPU logits state and allow concurrent requests to sample tokens outside their allowlists.
NVD description
vLLM before 0.29.0 validates allowed_token_ids against tokenizer length instead of model output logits width in SamplingParams._validate_allowed_token_ids(). Attackers can supply token IDs above the output vocabulary that pass validation, causing LogitBiasState to corrupt GPU logits state and allow concurrent requests to sample tokens outside their allowlists.
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