{"action":"Upgrade lemur to 1.9.2 or later.","affected":[{"fixed":"1.9.2","introduced":"0"}],"component":"lemur","cve_ids":["CVE-2026-55165"],"ecosystem":"PyPI","epss":0.00154,"exploited":false,"fixed_versions":["1.9.2"],"ghsa_id":"GHSA-r9gp-7f88-9r54","id":"tcs_01M5KH0C3F1DEM6N5ZKWCFQJAN","modified_at":"2026-07-13T16:32:03.081746610Z","published_at":"2026-07-13T15:46:24.366281Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2589","https://github.com/Netflix/lemur/security/advisories/GHSA-r9gp-7f88-9r54","https://github.com/Netflix/lemur","https://github.com/Netflix/lemur/releases/tag/v1.9.2","https://pypi.org/project/lemur","https://github.com/advisories/GHSA-r9gp-7f88-9r54","https://nvd.nist.gov/vuln/detail/CVE-2026-55165"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"PYSEC-2026-2589","url":"https://osv.dev/vulnerability/PYSEC-2026-2589"}],"summary":"Lemur: JWT verifier honors attacker-supplied alg, enabling ATO"}