{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-48746", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-22T19:10:35.747Z", "datePublished": "2026-06-22T21:57:28.997Z", "dateUpdated": "2026-09-01T12:04:40.711Z" }, "containers": { "cna": { "title": "vLLM: OpenAI auth bypass", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-444", "lang": "en", "description": "CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/vllm-project/vllm/security/advisories/GHSA-94f4-hr76-p5j6", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/vllm-project/vllm/security/advisories/GHSA-94f4-hr76-p5j6" }, { "name": "https://github.com/vllm-project/vllm/pull/43426", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/vllm-project/vllm/pull/43426" }, { "name": "https://x41-dsec.de/lab/advisories/x41-2026-002-starlette", "tags": [ "x_refsource_MISC" ], "url": "https://x41-dsec.de/lab/advisories/x41-2026-002-starlette" } ], "affected": [ { "vendor": "vllm-project", "product": "vllm", "versions": [ { "version": ">= 0.3.0, < 0.22.0", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-22T21:57:28.997Z" }, "descriptions": [ { "lang": "en", "value": "vLLM is an inference and serving engine for large language models (LLMs). 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This vulnerability is fixed in 0.22.0." } ], "source": { "advisory": "GHSA-94f4-hr76-p5j6", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://x41-dsec.de/lab/advisories/x41-2026-002-starlette", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-23T14:01:22.798843Z", "id": "CVE-2026-48746", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-23T14:41:55.657Z" } }, { "affected": [ { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:ai_inference_server:3.2::el9" ], "defaultStatus": "affected", "packageName": "rhaiis/vllm-cuda-rhel9", "product": "Red Hat AI Inference Server 3.2", "vendor": "Red Hat", "versions": [ { 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"rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9", "product": "Red Hat OpenShift AI (RHOAI)", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:satellite:6" ], "defaultStatus": "unaffected", "packageName": "satellite/foreman-mcp-server-rhel9", "product": "Red Hat Satellite 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:satellite:6" ], "defaultStatus": "unaffected", "packageName": "satellite/iop-advisor-engine-rhel9", "product": "Red Hat Satellite 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:satellite:6" ], "defaultStatus": "unaffected", "packageName": "satellite/iop-host-inventory-rhel9", "product": "Red Hat Satellite 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:satellite:6" ], "defaultStatus": "unaffected", "packageName": "satellite/iop-vmaas-rhel9", "product": "Red Hat Satellite 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:satellite:6" ], "defaultStatus": "unaffected", "packageName": "satellite/iop-vulnerability-engine-rhel9", "product": "Red Hat Satellite 6", "vendor": "Red Hat" } ], "datePublic": "2026-06-22T21:57:28.997Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in vLLM, an inference and serving engine for large language models (LLMs). This vulnerability, residing in ASGI web servers and Starlette's trust in them, allows an attacker to bypass the OpenAI API Authentication Middleware. This bypass enables unauthorized access to the API without requiring the configured VLLM_API_KEY or --api-key, leading to critical unauthorized operations." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-501", "description": "Trust Boundary Violation", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-48746" }, { "name": "RHBZ#2491581", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2491581" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48746.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:61627" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36005" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:61629" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36006" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:30089" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:30088" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:42132" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:42142" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:43038" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:42644" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:61627: Red Hat AI Inference Server 3.2" }, { "lang": "en", "value": "RHSA-2026:36005: Red Hat AI Inference Server 3.2" }, { "lang": "en", "value": "RHSA-2026:61629: Red Hat AI Inference Server 3.2" }, { "lang": "en", "value": "RHSA-2026:36006: Red Hat AI Inference Server 3.2" }, { "lang": "en", "value": "RHSA-2026:30089: Red Hat AI Inference Server 3.3" }, { "lang": "en", "value": "RHSA-2026:30088: Red Hat AI Inference Server 3.3" }, { "lang": "en", "value": "RHSA-2026:42132: Red Hat Ansible Automation Platform 2.6" }, { "lang": "en", "value": "RHSA-2026:42142: Red Hat Ansible Automation Platform 2.7" }, { "lang": "en", "value": "RHSA-2026:43038: Red Hat Migration Toolkit for Applications 8.2" }, { "lang": "en", "value": "RHSA-2026:42644: Red Hat OpenShift AI 2.25" } ], "timeline": [ { "lang": "en", "time": "2026-06-22T23:00:57.824Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-06-22T21:57:28.997Z", "value": "Made public." } ], "title": "vllm: starlette: vLLM: Critical authentication bypass allows unauthorized API access", "workarounds": [ { "lang": "en", "value": "Restrict network access to the vLLM API endpoint to only trusted clients and internal networks. Implement firewall rules or network policies to limit inbound connections to the vLLM service, thereby reducing the attack surface. This operational control helps prevent unauthorized external access to the vulnerable API." } ], "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-09-01T12:04:40.711Z" } } ] } }