JWT Auth in L7 Intentions Allow For Mismatched Service Identity and JWT Providers for Access

{
  "id": "0755873878f967adaad6023046c9366f26e5ece407d910be0b77237a9077b8c1",
  "url": "https://osv.dev/vulnerability/CVE-2023-3518",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "JWT Auth in L7 Intentions Allow For Mismatched Service Identity and JWT Providers for Access",
    "summary": "HashiCorp Consul and Consul Enterprise 1.16.0 when using JWT Auth for service mesh incorrectly allows/denies access regardless of service identities. Fixed in 1.16.1.",
    "evidence": "osv:CVE-2023-3518",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-3518",
      "aliases": [
        "BIT-consul-2023-3518",
        "CVE-2023-3518",
        "GHSA-9rhf-q362-77mx",
        "GO-2024-2704"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hashicorp/consul",
              "type": "GIT",
              "events": [
                {
                  "introduced": "192df66abfb08287f0c1f40d84c64f8a1cd961d2"
                },
                {
                  "last_affected": "192df66abfb08287f0c1f40d84c64f8a1cd961d2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.16.0"
                      },
                      {
                        "last_affected": "1.16.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:1.16.0:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "1.16.0"
                      },
                      {
                        "last_affected": "1.16.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:1.16.0:-:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "1.16.0-NA"
                      },
                      {
                        "last_affected": "1.16.0-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:1.16.0:rc1:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "1.16.0-rc1"
                      },
                      {
                        "last_affected": "1.16.0-rc1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.16.0",
            "1.16.0-rc1",
            "v1.16.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3518.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.075784081Z",
      "provider": "osv",
      "references": [
        "https://discuss.hashicorp.com/t/hcsec-2023-25-consul-jwt-auth-in-l7-intentions-allow-for-mismatched-service-identity-and-jwt-providers/57004",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3518.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-3518",
        "https://github.com/hashicorp/consul"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-266"
        ],
        "cna_assigner": "HashiCorp",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3518.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-3518",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499208,
  "published_at": "2023-08-09T15:06:52.406+00:00"
}