CVE-2026-93989

Katalog CVE

CVSS 4.3 · Medium EPSS 0,20%

Kerentanan Improper Validation of Array Index pada vllm. Skor CVSS 3.1 4.3 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

19 September 2026

Terakhir diubah

28 September 2026

Status NVD

Analyzed

CVSS 3.1

4.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-129: Improper Validation of Array Index

EPSS (30 hari)

0,20% peluang dieksploitasi; lebih tinggi dari 9,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/vllm-project/vllm/pull/48824 issue tracking · patch
• https://www.vulncheck.com/advisories/vllm-through-0.29.0-cross-request-logits-corruption-via-bad-words advisory pihak ketiga
• https://github.com/vllm-project/vllm product
• https://github.com/vllm-project/vllm/blob/98dff2a81d747d1dba01a47f939f48c3526d4206/vllm/sampling_params.py#L69... product
• https://github.com/vllm-project/vllm/blob/98dff2a81d747d1dba01a47f939f48c3526d4206/vllm/v1/worker/gpu/sample/b... product