{"id":"GHSA-7hfw-r8qc-89v4","revision":null,"records":[{"revision":"0786c4d0baad492bac9f0c1417742c25","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-27137","aliases":[],"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":"2026-03-06T21:28:13.748+00:00","modifiedAt":"2026-09-18T12:04:42.431+00:00","affected":[{"ecosystem":"https://pkg.go.dev","name":"crypto/x509","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Go standard library\",\n                    \"product\": \"crypto/x509\",\n                    \"collectionURL\": \"https://pkg.go.dev\",\n                    \"packageName\": \"crypto/x509\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.26.0-0\",\n                            \"lessThan\": \"1.26.1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"programRoutines\": [\n                        {\n                            \"name\": \"newEmailConstraints\"\n                        },\n                        {\n                            \"name\": \"emailConstraints.query\"\n                        },\n                        {\n                            \"name\": \"checkConstraints\"\n                        },\n                        {\n                            \"name\": \"checkChainConstraints\"\n                        },\n                        {\n                            \"name\": \"parseMailboxes\"\n                        },\n                        {\n                            \"name\": \"Certificate.Verify\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[],"references":["https://go.dev/cl/752182","https://go.dev/issue/77952","https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk","https://pkg.go.dev/vuln/GO-2026-4599"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-27137","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-27137","identifiers":["CVE-2026-27137"]},"retained":false,"historicalAffected":[]},{"revision":"4c6e2b2e458649b2a13b0a67bf2db550","observedAt":"2026-11-11T07:29:48.46+00:00","statement":{"source":"euvd","id":"EUVD-2026-10085","aliases":["CVE-2026-27137","GHSA-7hfw-r8qc-89v4"],"title":"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…","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":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":null}],"references":["https://go.dev/cl/752182","https://go.dev/issue/77952","https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk","https://pkg.go.dev/vuln/GO-2026-4599"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-10085","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Mar 6, 2026, 9:28:13 PM","dateUpdated":"Sep 18, 2026, 12:04:42 PM"},"relatedAdvisories":[{"id":"RHSA-2026:10184","title":"Red Hat Security Advisory: RHOAI 2.25.5 - Red Hat OpenShift AI","vulnerabilityIds":["CVE-2025-6242","CVE-2025-11157","CVE-2025-12103","CVE-2025-14009","CVE-2025-61726","CVE-2025-61728","CVE-2025-61729","CVE-2025-66418","CVE-2025-66471","CVE-2025-68131","CVE-2025-69223","CVE-2025-69227","CVE-2025-69228","CVE-2025-69534","CVE-2026-0846","CVE-2026-0847","CVE-2026-1002","CVE-2026-2472","CVE-2026-2492","CVE-2026-21441","CVE-2026-22773","CVE-2026-22807","CVE-2026-24049","CVE-2026-24281","CVE-2026-24308","CVE-2026-24486","CVE-2026-24779","CVE-2026-25223","CVE-2026-25639","CVE-2026-25679","CVE-2026-25990","CVE-2026-26007","CVE-2026-26996","CVE-2026-27137","CVE-2026-27628","CVE-2026-27888","CVE-2026-27904","CVE-2026-27959","CVE-2026-28229","CVE-2026-28356","CVE-2026-30922","CVE-2026-31837","CVE-2026-31892","CVE-2026-31958","CVE-2026-32274","CVE-2026-32597","CVE-2026-32640","CVE-2026-33236","CVE-2026-33870","CVE-2026-33871"]},{"id":"RHSA-2026:26568","title":"Red Hat Security Advisory: Red Hat OpenShift API for Data Protection","vulnerabilityIds":["CVE-2026-25679","CVE-2026-27137","CVE-2026-32280","CVE-2026-32281","CVE-2026-32282","CVE-2026-33186","CVE-2026-33747","CVE-2026-33748","CVE-2026-33810","CVE-2026-34986"]},{"id":"RHSA-2026:11331","title":"Red Hat Security Advisory: Red Hat OpenShift Builds 1.7.2","vulnerabilityIds":["CVE-2025-68121","CVE-2026-25679","CVE-2026-27137","CVE-2026-33186","CVE-2026-33211","CVE-2026-33810"]},{"id":"RHSA-2026:19132","title":"Red Hat Security Advisory: rhc-worker-playbook security update","vulnerabilityIds":["CVE-2025-61726","CVE-2026-25679","CVE-2026-27137","CVE-2026-32282","CVE-2026-32283"]},{"id":"RHSA-2026:13545","title":"Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Container Release 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(formerly Insights) for Runtimes security update","vulnerabilityIds":["CVE-2026-25679","CVE-2026-27137"]},{"id":"RHSA-2026:28047","title":"Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (etcd) security update","vulnerabilityIds":["CVE-2025-61726","CVE-2025-61729","CVE-2025-68121","CVE-2026-25679","CVE-2026-27137","CVE-2026-32280","CVE-2026-32282","CVE-2026-32283","CVE-2026-33186","CVE-2026-33413","CVE-2026-33810"]},{"id":"RHSA-2026:67160","title":"Red Hat Security Advisory: grafana-pcp security update","vulnerabilityIds":["CVE-2026-27137","CVE-2026-33810","CVE-2026-33818","CVE-2026-39821","CVE-2026-42504","CVE-2026-56853","CVE-2026-56858","CVE-2026-56860","CVE-2026-56862"]},{"id":"RHSA-2026:57649","title":"Red Hat Security Advisory: golang security 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(Neuron)","vulnerabilityIds":["CVE-2025-69418","CVE-2026-6653","CVE-2026-11979","CVE-2026-13346","CVE-2026-25679","CVE-2026-25680","CVE-2026-25681","CVE-2026-27136","CVE-2026-27137","CVE-2026-27138","CVE-2026-27139","CVE-2026-27141","CVE-2026-27142","CVE-2026-27145","CVE-2026-28390","CVE-2026-31790","CVE-2026-32280","CVE-2026-32281","CVE-2026-32282","CVE-2026-32288","CVE-2026-32289","CVE-2026-33811","CVE-2026-33814","CVE-2026-34182","CVE-2026-34183","CVE-2026-39820","CVE-2026-39822","CVE-2026-39823","CVE-2026-39825","CVE-2026-39826","CVE-2026-39836","CVE-2026-42499","CVE-2026-42502","CVE-2026-42504","CVE-2026-42505","CVE-2026-42506","CVE-2026-42507","CVE-2026-45445","CVE-2026-45447","CVE-2026-74860","CVE-2026-86138","CVE-2026-86140","CVE-2026-86142","CVE-2026-86143","CVE-2026-86144","CVE-2026-86145","CVE-2026-89090","CVE-2026-89161","CVE-2026-103111","CVE-2026-114406"]},{"id":"openSUSE-SU-2026:20537-1","title":"Security update for 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Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. 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