{"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_01M5KH6QG4Q3G7P5VJK48T7Y8C","modified_at":"2026-08-19T12:45:07.050582747Z","published_at":"2026-08-19T11:56:28.379754Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3679","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","https://pypi.org/project/lemur","https://github.com/advisories/GHSA-v5rc-cpwc-cfpr","https://nvd.nist.gov/vuln/detail/CVE-2026-71303"],"severity":{"label":"high","score":7.7},"sources":[{"source":"osv","source_id":"PYSEC-2026-3679","url":"https://osv.dev/vulnerability/PYSEC-2026-3679"}],"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"}