{"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":"2026-09-15T13:54:06.533Z"},"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"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-15T13:41:58.979010Z","id":"CVE-2026-90878","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"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":"2026-09-15T13:54:06.533Z"}}]}}