{"action":"Upgrade lemur to 1.9.3 or later.","affected":[{"fixed":"1.9.3","introduced":"0"}],"component":"lemur","cve_ids":["CVE-2026-71303"],"ecosystem":"PyPI","epss":0.00277,"exploited":false,"fixed_versions":["1.9.3"],"ghsa_id":"GHSA-v5rc-cpwc-cfpr","id":"tcs_01M5KFZAPV07NY3NS9A0V6RPHS","modified_at":"2026-08-19T12:55:53.241407200Z","published_at":"2026-08-18T20:51:21Z","references":["https://osv.dev/vulnerability/GHSA-v5rc-cpwc-cfpr","https://github.com/Netflix/lemur/security/advisories/GHSA-v5rc-cpwc-cfpr","https://github.com/Netflix/lemur/commit/edca0390f930344d65ff4ca37a669c2320e3dfad","https://github.com/Netflix/lemur","https://github.com/Netflix/lemur/releases/tag/v1.9.3"],"severity":{"label":"high","score":7.7},"sources":[{"source":"osv","source_id":"GHSA-v5rc-cpwc-cfpr","url":"https://osv.dev/vulnerability/GHSA-v5rc-cpwc-cfpr"}],"summary":"Lemur: Incomplete fix for GHSA-v2wp-frmc-5q3v -- ACME authority update endpoint allows non-admin to replace `acme_url` with internal IP, bypassing allowlist"}