{"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_01M5KEZFZ31Q7XBC4X41VE8G1R","modified_at":"2026-09-10T03:50:48.301716737Z","published_at":"2026-06-16T23:38:26Z","references":["https://osv.dev/vulnerability/GHSA-4xpc-pv4p-pm3w","https://github.com/BerriAI/litellm/security/advisories/GHSA-4xpc-pv4p-pm3w","https://nvd.nist.gov/vuln/detail/CVE-2026-49468","https://access.redhat.com/security/cve/CVE-2026-49468","https://bugzilla.redhat.com/show_bug.cgi?id=2491520","https://github.com/BerriAI/litellm","https://github.com/BerriAI/litellm/releases/tag/v1.84.0","https://github.com/advisories/GHSA-4xpc-pv4p-pm3w","https://github.com/pypa/advisory-database/tree/main/vulns/litellm/PYSEC-2026-388.yaml","https://pypi.org/project/litellm","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49468.json"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-4xpc-pv4p-pm3w","url":"https://osv.dev/vulnerability/GHSA-4xpc-pv4p-pm3w"}],"summary":"LiteLLM: Authentication Bypass via Host Header Injection"}