CVE-2026-92220

MEDIUM 5.3

vllm-project vLLM MoRIIO Acknowledgement moriio_connector.py MoRIIOWrapper._handle_release_message resource consumption

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-400 CWE-404
Vendor	vllm-project
Product	vllm
Published	Sep 16, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

vllm-project / vLLM

0.26.0 0.27.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/404470 vuldb.com: https://vuldb.com/vuln/404470/cti vuldb.com: https://vuldb.com/cve/CVE-2026-92220 vuldb.com: https://vuldb.com/submit/934149 github.com: https://github.com/vllm-project/vllm/pull/50674 github.com: https://github.com/vllm-project/vllm/

Credits

🔍 JPengLi (VulDB User) VulDB CNA Team