{"id":"CVE-2025-48942","state":"PUBLISHED","title":"vLLM DOS: Remotely kill vllm over http with invalid JSON schema","description":"vLLM is an inference and serving engine for large language models (LLMs). In versions 0.8.0 up to but excluding 0.9.0, hitting the  /v1/completions API with a invalid json_schema as a Guided Param kills the vllm server. This vulnerability is similar GHSA-9hcf-v7m4-6m2j/CVE-2025-48943, but for regex instead of a JSON schema. Version 0.9.0 fixes the issue.","publishedAt":"2025-05-30T18:33:40.488Z","updatedAt":"2025-05-30T20:37:06.015Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["vllm-project vllm"],"affected":[{"vendor":"vllm-project","product":"vllm","versions":[{"version":">= 0.8.0, < 0.9.0","status":"affected"}]}],"references":["https://github.com/vllm-project/vllm/security/advisories/GHSA-6qc9-v4r8-22xg","https://github.com/vllm-project/vllm/issues/17248","https://github.com/vllm-project/vllm/pull/17623","https://github.com/vllm-project/vllm/commit/08bf7840780980c7568c573c70a6a8db94fd45ff"],"weaknesses":["CWE-248"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/48xxx/CVE-2025-48942.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-48942","state":"PUBLISHED","datePublished":"2025-05-30T18:33:40.488Z","dateUpdated":"2025-05-30T20:37:06.015Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-05-28T18:49:07.581Z"},"containers":{"cna":{"title":"vLLM DOS: Remotely kill vllm over http with invalid JSON schema","descriptions":[{"lang":"en","value":"vLLM is an inference and serving engine for large language models (LLMs). In versions 0.8.0 up to but excluding 0.9.0, hitting the  /v1/completions API with a invalid json_schema as a Guided Param kills the vllm server. This vulnerability is similar GHSA-9hcf-v7m4-6m2j/CVE-2025-48943, but for regex instead of a JSON schema. Version 0.9.0 fixes the issue."}],"affected":[{"vendor":"vllm-project","product":"vllm","versions":[{"version":">= 0.8.0, < 0.9.0","status":"affected"}]}],"references":[{"url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-6qc9-v4r8-22xg","name":"https://github.com/vllm-project/vllm/security/advisories/GHSA-6qc9-v4r8-22xg","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/vllm-project/vllm/issues/17248","name":"https://github.com/vllm-project/vllm/issues/17248","tags":["x_refsource_MISC"]},{"url":"https://github.com/vllm-project/vllm/pull/17623","name":"https://github.com/vllm-project/vllm/pull/17623","tags":["x_refsource_MISC"]},{"url":"https://github.com/vllm-project/vllm/commit/08bf7840780980c7568c573c70a6a8db94fd45ff","name":"https://github.com/vllm-project/vllm/commit/08bf7840780980c7568c573c70a6a8db94fd45ff","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-248","lang":"en","description":"CWE-248: Uncaught Exception","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-05-30T18:37:10.641Z"},"source":{"advisory":"GHSA-6qc9-v4r8-22xg","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-30T20:36:50.679547Z","id":"CVE-2025-48942","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-30T20:37:06.015Z"}}]}}}