Medium severity5.9NVD Advisory· Published Oct 25, 2026

CVE-2026-116172

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.

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Affected products

Vllm/Vllmllm-create
Range: 0.22.0 <= v < 0.24.0

Patches

Vulnerability mechanics

References

github.com/vllm-project/vllm/security/advisories/GHSA-rwfw-xvg3-3937nvd
www.vulncheck.com/advisories/vllm-0.22.0-before-0.24.0-dos-via-rust-grpc-candidatetokens-top-nnvd

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cvss	0.384
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000