CVE-2026-116172: vllm vllm

CVSS 8.2 (high) · published 2026-10-25

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 (NVD): vllm vllm

Fixed in (NVD): 0.24.0

Weakness: CWE-20

Source: NVD CVE-2026-116172

References

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

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