Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation

{
  "id": "771ceeed505398441ee7879c68a49c2f0914f78d6d0409b92a388da969510796",
  "url": "https://osv.dev/vulnerability/CVE-2023-1782",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation",
    "summary": "HashiCorp Nomad and Nomad Enterprise versions 1.5.0 up to 1.5.2 allow unauthenticated users to bypass intended ACL authorizations for clusters where mTLS is not enabled. This issue is fixed in version 1.5.3.",
    "evidence": "osv:CVE-2023-1782",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2023-1782",
      "aliases": [
        "CVE-2023-1782",
        "GHSA-f8r8-h93m-mj77",
        "GO-2023-1707"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hashicorp/nomad",
              "type": "GIT",
              "events": [
                {
                  "introduced": "fc40c491cacec3d8ec3f2f98cd82b9068a50797c"
                },
                {
                  "fixed": "434f7a1745c6304d607562daa9a4a635def7153f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.5.0"
                      },
                      {
                        "fixed": "1.5.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "1.5.0"
                      },
                      {
                        "last_affected": "1.5.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "1.5.0"
                      },
                      {
                        "last_affected": "1.5.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-1782.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.224841231Z",
      "provider": "osv",
      "references": [
        "https://discuss.hashicorp.com/t/hcsec-2023-12-nomad-unauthenticated-client-agent-http-request-privilege-escalation/52375",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1782.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-1782",
        "https://github.com/hashicorp/nomad"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "HashiCorp",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1782.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-1782",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499275,
  "published_at": "2023-04-05T19:10:52.697+00:00"
}