Cursor allows PostgreSQL Anonymizer masked user to gain unauthorized access to authentic data

{
  "id": "2ebbfb74bfead90c3dde6924c2e3c8fb2110d1aec5ec0adabc5d44676d7088c4",
  "url": "https://osv.dev/vulnerability/CVE-2025-5690",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Cursor allows PostgreSQL Anonymizer masked user to gain unauthorized access to authentic data",
    "summary": "PostgreSQL Anonymizer v2.0 and v2.1 contain a vulnerability that allows a masked user to bypass the masking rules defined on a table and read the original data using a database cursor or the --insert option of pg_dump. This problem occurs only when dynamic masking is enabled, which is not the default setting. The problem is resolved in version 2.2.1",
    "evidence": "osv:CVE-2025-5690",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-5690",
      "aliases": [
        "CVE-2025-5690"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/dalibo/postgresql_anonymizer",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c79d5b610629a197f1eb4c868168c8cba9db4868"
                },
                {
                  "fixed": "cd28788d0dfb48615fc680dd36c021235b8c1c76"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1"
                      },
                      {
                        "fixed": "2.2.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.2.1"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5690.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.089725661Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5690.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-5690",
        "https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/531"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200"
        ],
        "cna_assigner": "PostgreSQL",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5690.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-5690",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517436,
  "published_at": "2025-06-04T21:34:47.358+00:00"
}