{"action":"Upgrade lemur to 1.9.3 or later.","affected":[{"fixed":"1.9.3","introduced":"0"}],"component":"lemur","cve_ids":["CVE-2026-70666"],"ecosystem":"PyPI","epss":0.00216,"exploited":false,"fixed_versions":["1.9.3"],"ghsa_id":"GHSA-xpmj-wjcp-6pww","id":"tcs_01M5KH6QRWQ68BXPRYKA40JBE9","modified_at":"2026-08-19T12:45:08.258250622Z","published_at":"2026-08-19T11:56:28.286395Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3680","https://github.com/Netflix/lemur/security/advisories/GHSA-xpmj-wjcp-6pww","https://github.com/Netflix/lemur/commit/6dcb19b6d6004e97796d6a0344b130b2ba57f050","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-xpmj-wjcp-6pww","https://nvd.nist.gov/vuln/detail/CVE-2026-70666"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"PYSEC-2026-3680","url":"https://osv.dev/vulnerability/PYSEC-2026-3680"}],"summary":"Lemur: Server-Side Request Forgery via the ACME client following server-controlled URLs"}