{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-9540",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "state": "PUBLISHED",
        "assignerShortName": "VulDB",
        "dateReserved": "2026-05-26T05:44:55.913Z",
        "datePublished": "2026-05-26T10:30:12.648Z",
        "dateUpdated": "2026-05-26T13:47:57.215Z"
    },
    "containers": {
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                "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
                "shortName": "VulDB",
                "dateUpdated": "2026-05-26T10:30:12.648Z"
            },
            "title": "vllm-project vllm OpenAI-compatible Serving Path denial of service",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-404",
                            "lang": "en",
                            "description": "Denial of Service"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "vllm-project",
                    "product": "vllm",
                    "versions": [
                        {
                            "version": "0.19.0",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "OpenAI-compatible Serving Path"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
                }
            ],
            "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:P",
                        "baseSeverity": "MEDIUM"
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                        "baseScore": 5.3,
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                        "version": "2.0",
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                        "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR"
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            ],
            "timeline": [
                {
                    "time": "2026-05-26T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advisory disclosed"
                },
                {
                    "time": "2026-05-26T02:00:00.000Z",
                    "lang": "en",
                    "value": "VulDB entry created"
                },
                {
                    "time": "2026-05-26T07:50:13.000Z",
                    "lang": "en",
                    "value": "VulDB entry last update"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Zyz3366 (VulDB User)",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "VulDB CNA Team",
                    "type": "coordinator"
                }
            ],
            "references": [
                {
                    "url": "https://vuldb.com/vuln/365601",
                    "name": "VDB-365601 | vllm-project vllm OpenAI-compatible Serving Path denial of service",
                    "tags": [
                        "vdb-entry"
                    ]
                },
                {
                    "url": "https://vuldb.com/vuln/365601/cti",
                    "name": "VDB-365601 | CTI Indicators (IOB, IOC, TTP)",
                    "tags": [
                        "signature",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://vuldb.com/submit/814645",
                    "name": "Submit #814645 | vllm-project vllm 0.19.0 Denial of Service",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/vllm-project/vllm/issues/37343",
                    "tags": [
                        "exploit",
                        "issue-tracking"
                    ]
                },
                {
                    "url": "https://github.com/vllm-project/vllm/pull/37594",
                    "tags": [
                        "issue-tracking",
                        "patch"
                    ]
                },
                {
                    "url": "https://ingero.io/debugging-vllm-latency-minimax-ollama-mcp/",
                    "tags": [
                        "related"
                    ]
                },
                {
                    "url": "https://github.com/vllm-project/vllm/",
                    "tags": [
                        "product"
                    ]
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-26T13:47:49.051201Z",
                                "id": "CVE-2026-9540",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-26T13:47:57.215Z"
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    }
}