{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90878", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-14T07:16:13.062Z", "datePublished": "2026-09-15T04:15:11.051Z", "dateUpdated": "2026-09-15T04:15:11.051Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-15T04:15:11.051Z"}, "title": "vllm-project vLLM Jinja Template Rendering completions resource consumption", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "Resource Consumption"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-404", "lang": "en", "description": "Denial of Service"}]}], "affected": [{"vendor": "vllm-project", "product": "vLLM", "versions": [{"version": "0.27.0", "status": "affected"}, {"version": "0.27.1", "status": "affected"}], "cpes": ["cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*"], "modules": ["Jinja Template Rendering"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in vllm-project vLLM up to 0.27.1. This affects an unknown part of the file /v1/chat/completions of the component Jinja Template Rendering. This manipulation of the argument chat_template causes resource consumption. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 4.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 4.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 4, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-09-14T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-09-14T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-09-14T09:21:37.000Z", "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/403472", "name": "VDB-403472 | vllm-project vLLM Jinja Template Rendering completions resource consumption", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/403472/cti", "name": "VDB-403472 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-90878", "name": "CVE-2026-90878 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/927901", "name": "Submit #927901 | vLLM Project vLLM 0.27.1 Asymmetric Resource Consumption", "tags": ["third-party-advisory"]}, {"url": "https://github.com/vllm-project/vllm/issues/52025", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/vllm-project/vllm/pull/52163", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/vllm-project/vllm/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202609"]}}}

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