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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 6
https://github.com/vllm-project/vllm/
cna@vuldb.com
https://github.com/vllm-project/vllm/pull/50674
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-92220
cna@vuldb.com
https://vuldb.com/submit/934149
cna@vuldb.com
https://vuldb.com/vuln/404470
cna@vuldb.com
https://vuldb.com/vuln/404470/cti
cna@vuldb.com