CVE-2026-93989

LOWCVSS 3.1

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 indices that corrupt logits memory of concurrent requests, causing different in-flight HTTP requests to return incorrect tokens.

Published 2026-09-19 · last modified 2026-09-19

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.