CVE-2026-93989
1 advisory.
PyPI/vllm CVE-2026-93989: medium 4.3
vLLM through 0.29.0 fails to properly validate bad_words token indices against the model's generation output width in SamplingParams.update_from_tokenizer(). Attackers can supply out-of-bounds token i
Action: Upgrade vllm to 0.30.0 or later.
pip install vllm==0.30.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.30.0 | - |
Fixed versions
| 0.30.0 |
Sources
- osv: PYSEC-2026-4000
- https://github.com/vllm-project/vllm/blob/98dff2a81d747d1dba01a47f939f48c3526d4206/vllm/sampling_params.py#L694-L753
- https://github.com/vllm-project/vllm/blob/98dff2a81d747d1dba01a47f939f48c3526d4206/vllm/v1/worker/gpu/sample/bad_words.py
- https://www.vulncheck.com/advisories/vllm-through-0.29.0-cross-request-logits-corruption-via-bad-words
- https://github.com/vllm-project/vllm/pull/48824
- https://github.com/vllm-project/vllm
CVE-2026-93989 · published · modified · JSON