Security advisory

{
  "id": "cc83b9881df3ca468a01cdb33f50124a48e56c76ff78edc5aa95111f19602dd0",
  "url": "https://osv.dev/vulnerability/CVE-2018-15727",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-15727",
    "summary": "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.",
    "evidence": "osv:CVE-2018-15727",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-15727",
      "aliases": [
        "CVE-2018-15727",
        "GHSA-rgjg-66cx-5x9m",
        "GO-2022-0707"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/grafana/grafana",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "e86c87f7bc833d659d16aa7f2bb49cba0f2e6b84"
                },
                {
                  "last_affected": "2bfccd77d4de570906ba90f9ca73aa7a23394640"
                },
                {
                  "introduced": "91431655808cd10acf7df4c9af702d95644cbda8"
                },
                {
                  "fixed": "1ad5b02166a18962f862f7b776771eedfef17aba"
                },
                {
                  "introduced": "af6e28366bf3413ee3af56c540513dd70f467c41"
                },
                {
                  "fixed": "cf4c090fe2e895fffbc319f4dd025d8c85103656"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0.0"
                      },
                      {
                        "last_affected": "2.1.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "last_affected": "3.1.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "fixed": "4.6.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.0.0"
                      },
                      {
                        "fixed": "5.2.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.6.3",
            "v5.2.2",
            "v5.2.1",
            "v5.2.0",
            "v5.2.0-beta3",
            "v5.2.0-beta2",
            "v5.2.0-beta1",
            "v5.0.0",
            "v4.6.2",
            "v4.6.1",
            "v4.6.0",
            "v4.6.0-beta3",
            "v4.6.0-beta2",
            "v4.6.0-beta1",
            "v4.5.0",
            "v4.5.0-beta1",
            "v4.4.0",
            "v3.1.1",
            "v3.1.0",
            "v3.1.0-beta1",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0-beta7",
            "v3.0.0-beta6",
            "v2.6.0",
            "v2.6.0-beta1",
            "v2.5.0",
            "v2.1.2",
            "v2.1.0",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0-beta3",
            "v2.0.0-beta1",
            "v1.9.1",
            "v1.9.0",
            "v1.9.0-rc1",
            "v1.7.0-rc1",
            "v1.6.1",
            "v1.6.0",
            "v1.5.4",
            "v1.5.3",
            "v1.5.2",
            "v1.5.1",
            "v1.5.0",
            "v1.4.0",
            "v1.3.0",
            "v1.2.0",
            "v1.1.0",
            "v1.0.4",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-15727.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:52.008003673Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2018:3829",
        "https://access.redhat.com/errata/RHSA-2019:0019",
        "https://grafana.com/blog/2018/08/29/grafana-5.2.3-and-4.6.4-released-with-important-security-fix/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:ceph_storage",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "3.0"
                  },
                  {
                    "last_affected": "3.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-15727",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437600,
  "published_at": "2018-08-29T15:29:00.24+00:00"
}