{"data":{"id":"7458be3c-d4de-4b4b-88bf-92135aa5281b","title":"CVE-2025-48943: vLLM is an inference and serving engine for large language models (LLMs). Version 0.8.0 up to but excluding 0.9.0 have…","summary":"CVE-2025-48943 affects vLLM, an inference and serving engine for large language models, in versions 0.8.0 up to but excluding 0.9.0. An invalid regex supplied while using structured output triggers a ReDoS that crashes the vLLM server, a denial of service. The flaw is similar to GHSA-6qc9-v4r8-22xg/CVE-2025-48942, but applies to regex rather than a JSON schema.","solution":"Version 0.9.0 fixes the issue.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-48943","publishedAt":"2025-05-30T23:15:30.280Z","cveId":"CVE-2025-48943","cweIds":["CWE-248"],"cvssScore":"6.5","cvssSeverity":"medium","severity":"medium","attackType":["denial_of_service"],"issueType":"vulnerability","affectedPackages":["vllm@>= 0.8.0, < 0.9.0 (fixed: 0.9.0)"],"affectedPackageNames":["vllm"],"affectedPackageRefs":["pypi:vllm"],"affectedVendors":[],"affectedVendorsRaw":["vLLM"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"vLLM denial of service through invalid regex in structured output","headlinePromptVersion":"h1","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00508,"epssCheckedAt":"2026-11-04T12:08:33.171Z","kevDateAdded":null,"advisoryAliases":["GHSA-9hcf-v7m4-6m2j"],"affectedPackagesSource":"ghsa","affectedPackagesCheckedAt":"2026-10-10T03:53:40.298Z","patchAvailable":true,"disclosureDate":null,"fixReleasedAt":"2025-05-28T01:30:28.547Z","daysToFix":-2,"fixCheckedAt":"2026-10-29T21:44:24.393Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["availability"],"aiComponentTargeted":"inference","llmSpecific":true,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":null,"fixes":[{"ecosystem":"pypi","name":"vllm","fixedVersion":"0.9.0","matchedVersion":"0.9.0","fixReleasedAt":"2025-05-28T01:30:28.547Z","daysToFix":-2,"match":"ecosystem","source":"tracked","status":"found","checkedAt":"2026-10-29T21:44:24.243Z"}]}}