{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92220","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-09-15T18:42:00.653Z","datePublished":"2026-09-16T02:15:10.740Z","dateUpdated":"2026-09-16T19:40:15.559Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-09-16T02:15:10.740Z"},"title":"vllm-project vLLM MoRIIO Acknowledgement moriio_connector.py MoRIIOWrapper._handle_release_message resource consumption","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-400","lang":"en","description":"Resource Consumption"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-404","lang":"en","description":"Denial of Service"}]}],"affected":[{"vendor":"vllm-project","product":"vLLM","versions":[{"version":"0.26.0","status":"affected"},{"version":"0.27.0","status":"affected"}],"cpes":["cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*"],"modules":["MoRIIO Acknowledgement Handler"]}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-09-15T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-15T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-15T20:47:08.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"JPengLi (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/404470","name":"VDB-404470 | vllm-project vLLM MoRIIO Acknowledgement moriio_connector.py MoRIIOWrapper._handle_release_message resource consumption","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/404470/cti","name":"VDB-404470 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-92220","name":"CVE-2026-92220 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/934149","name":"Submit #934149 | vLLM Project vLLM >=0.26.0 Denial of Service","tags":["third-party-advisory"]},{"url":"https://github.com/vllm-project/vllm/pull/50674","tags":["issue-tracking","patch"]},{"url":"https://github.com/vllm-project/vllm/","tags":["product"]}],"x_generator":["VulDB PVTS v202609"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-16T19:39:59.954689Z","id":"CVE-2026-92220","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-16T19:40:15.559Z"}}]}}