{"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 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.\n\n### Specific Go Packages Affected\ngithub.com/grafana/grafana/pkg/api","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":{"url":"https://github.com/grafana/grafana/commit/7baecf0d0deae0d865e45cf03e082bc0db3f28c3","label":"grafana/grafana@7baecf0"},"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/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-15727"},{"type":"WEB","url":"https://github.com/grafana/grafana/commit/7baecf0d0deae0d865e45cf03e082bc0db3f28c3"},{"type":"WEB","url":"https://github.com/grafana/grafana/commit/df83bf10a225811927644bdf6265fa80bdea9137"},{"type":"WEB","url":"https://grafana.com/blog/2018/08/29/grafana-5.2.3-and-4.6.4-released-with-important-security-fix"},{"type":"WEB","url":"https://www.securityfocus.com/bid/105184"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:52:19.261253184Z"}}