aiven-extras allows PostgreSQL Privilege Escalation through format function

{
  "id": "269cf527e7f55566f291a1d86a8c70d8137fe23df279d8e20787a7fc57c750bc",
  "url": "https://osv.dev/vulnerability/CVE-2025-31480",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "aiven-extras allows PostgreSQL Privilege Escalation through format function",
    "summary": "aiven-extras is a PostgreSQL extension. This is a privilege escalation vulnerability, allowing elevation to superuser inside PostgreSQL databases that use the aiven-extras package. The vulnerability leverages the format function not being schema-prefixed. Affected users should install 1.1.16 and ensure they run the latest version issuing ALTER EXTENSION aiven_extras UPDATE TO '1.1.16' after installing it. This needs to happen in each database aiven_extras has been installed in.",
    "evidence": "osv:CVE-2025-31480",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2025-31480",
      "aliases": [
        "CVE-2025-31480",
        "GHSA-33xh-jqgf-6627"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/aiven/aiven-extras",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "77b5f19a0c1d196bc741ff5c774f85fe7ca3063b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "77b5f19a0c1d196bc741ff5c774f85fe7ca3063b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.1.15",
            "1.1.9",
            "1.1.8",
            "1.1.7",
            "1.1.6",
            "1.1.5",
            "1.1.4",
            "1.1.3",
            "1.1.1",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-31480.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.022038774Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/31xxx/CVE-2025-31480.json",
        "https://github.com/aiven/aiven-extras/security/advisories/GHSA-33xh-jqgf-6627",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-31480",
        "https://github.com/aiven/aiven-extras/commit/77b5f19a0c1d196bc741ff5c774f85fe7ca3063b"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-426"
        ],
        "cna_assigner": "GitHub_M",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "1.1.16"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StringRangeExpression"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/31xxx/CVE-2025-31480.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-31480",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505182,
  "published_at": "2025-04-04T14:49:30.863+00:00"
}