En bref
- CVE-2026-93840 est une vulnérabilité MOYENNE (CVSS 5.3) touchant vllm, vllm (vllm).
- Probabilité d'exploitation dans les 30 prochains jours (EPSS) : 0.25%, plus élevée que 15.9% des vulnérabilités.
- Correctif : mettre à jour vers 0.29.0 ou plus récent.
| 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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