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CWE

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CVE-2026-9540

Published: May 26, 2026

Modified: May 26, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

A vulnerability was identified in vllm-project vllm 0.19.0. This issue affects some unknown processing of the component OpenAI-compatible Serving Path. Such manipulation leads to denial of service. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The pull request to fix this issue awaits acceptance.

Vendor	Product	Versions
vllm-project	vllm	affected `0.19.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-365601 | vllm-project vllm OpenAI-compatible Serving Path denial of service

vdb-entry

VDB-365601 | CTI Indicators (IOB, IOC, TTP)

signature

permissions-required

Submit #814645 | vllm-project vllm 0.19.0 Denial of Service

third-party-advisory

https://github.com/vllm-project/vllm/issues/37343

exploit

issue-tracking

https://github.com/vllm-project/vllm/pull/37594

issue-tracking

patch

https://ingero.io/debugging-vllm-latency-minimax-ollama-mcp/

related

https://github.com/vllm-project/vllm/

product

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