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CVE PROGRAM SOURCE RECORD8.2 High

CVE-2026-116172

vLLM 0.22.0 before 0.24.0 DoS via Rust gRPC CandidateTokens.top_n

Description

vLLM from 0.22.0 before 0.24.0 contains an improper input validation vulnerability in the Rust gRPC converter that allows remote attackers to bypass max_logprobs limits via CandidateTokens.top_n. Attackers can send Generate or GenerateStream requests with oversized or integer-wrapping top_n values to trigger torch.topk failures that terminate EngineCore.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

vllm-project vllm

Default version status: unaffected

  • 0.22.0 to < 0.24.0affected
  • 0.24.0unaffected
pkg:pypi/vllm

References