{"action":"Upgrade github.com/go-acme/lego/v4 to 4.34.0 or later.","affected":[{"fixed":"4.34.0","introduced":"0"}],"component":"github.com/go-acme/lego/v4","cve_ids":["CVE-2026-40611"],"ecosystem":"Go","epss":0.0034,"exploited":false,"fixed_versions":["4.34.0"],"ghsa_id":"GHSA-qqx8-2xmm-jrv8","id":"tcs_01M5KGNEP3VT0BRNNME65D6X3F","modified_at":"2026-07-24T19:00:24.441014176Z","published_at":"2026-07-24T18:35:55Z","references":["https://osv.dev/vulnerability/GO-2026-5593","https://github.com/go-acme/lego/security/advisories/GHSA-qqx8-2xmm-jrv8"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5593","url":"https://osv.dev/vulnerability/GO-2026-5593"}],"summary":"ACME Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider in github.com/go-acme/lego"}