{"id":"CVE-2026-92220","summary":"vllm-project vLLM MoRIIO Acknowledgement moriio_connector.py MoRIIOWrapper._handle_release_message resource consumption","details":"A vulnerability was found in vllm-project vLLM 0.26.0/0.27.0. Affected is the function MoRIIOConnectorScheduler.request_finished/MoRIIOConnectorWorker.get_finished/MoRIIOWrapper._handle_release_message of the file vllm/distributed/kv_transfer/kv_connector/v1/moriio/moriio_connector.py of the component MoRIIO Acknowledgement Handler. Performing a manipulation of the argument request_id/kv_transfer_params results in resource consumption. It is possible to initiate the attack remotely. The project was informed of the problem early through a pull request but has not reacted yet.","modified":"2026-09-18T03:30:38.306388623Z","published":"2026-09-16T02:15:10.740Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92220.json","cna_assigner":"VulDB","cwe_ids":["CWE-400","CWE-404"]},"references":[{"type":"WEB","url":"https://github.com/vllm-project/vllm/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92220.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92220"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-92220"},{"type":"ADVISORY","url":"https://vuldb.com/submit/934149"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/404470"},{"type":"REPORT","url":"https://vuldb.com/vuln/404470/cti"},{"type":"FIX","url":"https://github.com/vllm-project/vllm/pull/50674"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/vllm-project/vllm","events":[{"introduced":"ffd46bfab2128bb84146050e98b51a617c6575ab"},{"last_affected":"4bdc8a788d2e2ce9165d552b3d4d8b72604626bf"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0.26.0"},{"last_affected":"0.26.0"},{"introduced":"0.27.0"},{"last_affected":"0.27.0"}]}}],"versions":["0.26.0","0.27.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92220.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X"}]}