{"action":"Upgrade litellm to 1.84.0 or later.","affected":[{"fixed":"1.84.0","introduced":"0"}],"component":"litellm","cve_ids":["CVE-2026-49468"],"ecosystem":"PyPI","epss":0.03033,"exploited":false,"fixed_versions":["1.84.0"],"ghsa_id":"GHSA-4xpc-pv4p-pm3w","id":"tcs_01M5KH8BC4P2JJHTF175VSBGMR","modified_at":"2026-07-01T20:22:56.295059Z","published_at":"2026-06-29T11:50:52.648950Z","references":["https://osv.dev/vulnerability/PYSEC-2026-388","https://github.com/BerriAI/litellm/security/advisories/GHSA-4xpc-pv4p-pm3w","https://github.com/BerriAI/litellm","https://github.com/BerriAI/litellm/releases/tag/v1.84.0","https://pypi.org/project/litellm","https://github.com/advisories/GHSA-4xpc-pv4p-pm3w","https://nvd.nist.gov/vuln/detail/CVE-2026-49468"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2026-388","url":"https://osv.dev/vulnerability/PYSEC-2026-388"}],"summary":"LiteLLM: Authentication Bypass via Host Header Injection"}