{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49468","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-30T04:17:43.094Z","datePublished":"2026-06-22T20:37:14.494Z","dateUpdated":"2026-06-24T03:56:03.985Z"},"containers":{"cna":{"title":"LiteLLM: Authentication Bypass via Host Header Injection","problemTypes":[{"descriptions":[{"cweId":"CWE-290","lang":"en","description":"CWE-290: Authentication Bypass by Spoofing","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":9.5,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0"}}],"references":[{"name":"https://github.com/BerriAI/litellm/security/advisories/GHSA-4xpc-pv4p-pm3w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/BerriAI/litellm/security/advisories/GHSA-4xpc-pv4p-pm3w"},{"name":"https://github.com/BerriAI/litellm/releases/tag/v1.84.0","tags":["x_refsource_MISC"],"url":"https://github.com/BerriAI/litellm/releases/tag/v1.84.0"}],"affected":[{"vendor":"BerriAI","product":"litellm","versions":[{"version":"< 1.84.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-22T20:37:14.494Z"},"descriptions":[{"lang":"en","value":"LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0,  This vulnerability is fixed in 1.84.0."}],"source":{"advisory":"GHSA-4xpc-pv4p-pm3w","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-23T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-49468"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-24T03:56:03.985Z"}}]}}