{"id":"CVE-2026-94622","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-94622","summary":"vLLM versions through 0.29.0 contain a denial of service vulnerability in the NIXL connector's metadata handling for prefill/decode disaggregated deployments. Attackers can send requests…","details":"vLLM versions through 0.29.0 contain a denial of service vulnerability in the NIXL connector's metadata handling for prefill/decode disaggregated deployments. Attackers can send requests with incomplete kv_transfer_params dictionary entries to trigger an uncaught KeyError in EngineCore scheduling, causing the decode engine to terminate and making all routed requests fail until manual restart.","published":"2026-09-21T22:04:10.761Z","modified":"2026-09-21T22:04:10.761Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/vllm-project/vllm/pull/54807","label":"vllm-project/vllm#54807"},"references":[{"type":"FIX","url":"https://github.com/vllm-project/vllm/pull/54807"},{"type":"WEB","url":"https://github.com/vllm-project/vllm/blob/v0.29.0/vllm/distributed/kv_transfer/kv_connector/v1/nixl/metadata.py#L294-L312"},{"type":"WEB","url":"https://github.com/vllm-project/vllm"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/vllm-through-0.29.0-denial-of-service-via-incomplete-nixl-kv-transfer-metadata"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-21T22:04:10.761Z"}}