Security advisory

{
  "id": "55a3b30fbe04b28d4aa803a4ec9452b5b929d6cab32dd26b2c3b703110ccd432",
  "url": "https://osv.dev/vulnerability/CVE-2019-8336",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-8336",
    "summary": "HashiCorp Consul (and Consul Enterprise) 1.4.x before 1.4.3 allows a client to bypass intended access restrictions and obtain the privileges of one other arbitrary token within secondary datacenters, because a token with literally \"\" as its secret is used in unusual circumstances.",
    "evidence": "osv:CVE-2019-8336",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-8336",
      "aliases": [
        "CVE-2019-8336",
        "GHSA-fhm8-cxcv-pwvc",
        "GO-2023-1945"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hashicorp/consul",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0bddfa23a2ebe3c0773d917fc104f53d74f7a5ec"
                },
                {
                  "fixed": "567e41ff6b096a478333c804d5c18264050bc3f8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "1.4.0"
                      },
                      {
                        "fixed": "1.4.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "1.4.0"
                      },
                      {
                        "fixed": "1.4.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.4.2",
            "v1.4.1",
            "v1.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-8336.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:45.911265854Z",
      "provider": "osv",
      "references": [
        "https://github.com/hashicorp/consul/issues/5423"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-8336",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383796,
  "published_at": "2019-03-05T23:29:02.863+00:00"
}