Is CVE-2026-116172 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-116172?

CVE-2026-116172 has a CVSS v3 severity of MEDIUM (5.9).

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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.