{"action":"Upgrade stdlib to 1.25.8 or later.","affected":[{"fixed":"1.25.8","introduced":"0"},{"fixed":"1.26.1","introduced":"1.26.0-0"}],"component":"stdlib","cve_ids":["CVE-2026-27142"],"ecosystem":"Go","epss":0.00374,"exploited":false,"fixed_versions":["1.25.8","1.26.1"],"id":"tcs_01M5KGESQDSX78JTCZZAHSJF0E","modified_at":"2026-05-15T10:59:23.946663160Z","published_at":"2026-03-06T21:03:42Z","references":["https://osv.dev/vulnerability/GO-2026-4603","https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk","https://go.dev/issue/77954","https://go.dev/cl/752081"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GO-2026-4603","url":"https://osv.dev/vulnerability/GO-2026-4603"},{"source":"nvd","source_id":"CVE-2026-27142","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27142"}],"summary":"URLs in meta content attribute actions are not escaped in html/template"}