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CVE-2026-116172

8.2 high Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 7

  1. Cpes+1 CPE criteria (now 1)NVD modified 2026-10-28 15:43
  2. StatusAwaiting Analysis → AnalyzedNVD modified 2026-10-28 15:43
  3. StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 14:03
  4. StatusReceived → PublishedNVD modified 2026-10-25 13:20
  5. StatusPublished → ReceivedNVD modified 2026-10-25 14:16
  6. CVSS8.2 (v4.0, CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N) → 8.2 (v4.0, CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-25 14:16
  7. First seenCVSS 8.2 · vllm-projectNVD modified 2026-10-25 13:20

Affected (CPE criteria) 1

  • cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*

References 2