{"id":"CVE-2026-116172","aliases":["GHSA-rwfw-xvg3-3937"],"url":"https://o3.security/vulnerability/CVE-2026-116172","summary":"vLLM 0.22.0 before 0.24.0 DoS via Rust gRPC CandidateTokens.top_n","details":"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.","published":"2026-10-25T13:20:13.759Z","modified":"2026-10-28T02:31:11.411469259Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116172.json"},{"type":"ADVISORY","url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-rwfw-xvg3-3937"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116172"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/vllm-0.22.0-before-0.24.0-dos-via-rust-grpc-candidatetokens-top-n"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:31:11.411469259Z"}}