{"action":"Upgrade litellm to 1.83.0 or later.","affected":[{"fixed":"1.83.0","introduced":"0"}],"component":"litellm","cve_ids":["CVE-2026-35030"],"ecosystem":"PyPI","epss":0.00625,"exploited":false,"fixed_versions":["1.83.0"],"ghsa_id":"GHSA-jjhc-v7c2-5hh6","id":"tcs_01M5KH8FJJJ4CYS0G6V6AVXZTY","modified_at":"2026-07-01T20:22:56.400828Z","published_at":"2026-06-29T11:50:47.498250Z","references":["https://osv.dev/vulnerability/PYSEC-2026-390","https://github.com/BerriAI/litellm/security/advisories/GHSA-jjhc-v7c2-5hh6","https://nvd.nist.gov/vuln/detail/CVE-2026-35030","https://github.com/BerriAI/litellm","https://pypi.org/project/litellm","https://github.com/advisories/GHSA-jjhc-v7c2-5hh6"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-390","url":"https://osv.dev/vulnerability/PYSEC-2026-390"},{"source":"nvd","source_id":"CVE-2026-35030","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35030"}],"summary":"LiteLLM: Authentication bypass via OIDC userinfo cache key collision"}