{"id":"CVE-2018-15727","aliases":["GHSA-rgjg-66cx-5x9m","GO-2022-0707"],"url":"https://o3.security/vulnerability/CVE-2018-15727","summary":"Grafana Authentication Bypass","details":"Grafana 2.x, 3.x, and 4.x before 4.6.4 and 5.x before 5.2.3 allows authentication bypass because an attacker can generate a valid \"remember me\" cookie knowing only a username of an LDAP or OAuth user.","published":"2018-08-29T15:29:00.240Z","modified":"2026-07-08T05:52:19.261253184Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":3,"affectedPackages":[{"ecosystem":"Go","name":"github.com/grafana/grafana","fixedVersion":"4.6.4"},{"ecosystem":"Go","name":"github.com/grafana/grafana","fixedVersion":"5.2.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/105184"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3829"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0019"},{"type":"FIX","url":"https://grafana.com/blog/2018/08/29/grafana-5.2.3-and-4.6.4-released-with-important-security-fix/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:52:19.261253184Z"}}