{"id":"GO-2026-4599","revision":"efc04bd54b21450c983df5424486638c","records":[{"revision":"efc04bd54b21450c983df5424486638c","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-4599","aliases":["BIT-golang-2026-27137","CVE-2026-27137"],"title":"Incorrect enforcement of email constraints in crypto/x509","description":"When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.","state":0,"publishedAt":"2026-03-06T21:03:42+00:00","modifiedAt":"2026-10-07T10:41:46.0863122+00:00","affected":[{"ecosystem":"Go","name":"stdlib","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"1.26.0-0"},{"kind":"fixed","version":"1.26.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://go.dev/cl/752182","https://go.dev/issue/77952","https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-4599","license":"OSV · upstream source license applies","key":"osv:GO-2026-4599","identifiers":["GO-2026-4599","BIT-golang-2026-27137","CVE-2026-27137"]},"retained":false,"historicalAffected":[]}],"coverage":[]}