CVE-2026-92220 | vllm-project vLLM 0.26.0/0.27.0 MoRIIO Acknowledgement moriio_connector.py request_id/kv_transfer_params resource consumption (ID 50674 / EUVD-2026-80081)
A vulnerability identified as problematic has been detected 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.
This vulnerability is cataloged as CVE-2026-92220. It is possible to initiate the attack remotely. There is no exploit available.
The project was informed of the problem early through a pull request but has not reacted yet.