Decidim's private data exports can lead to data leaks

{
  "id": "0cb4087349dd6b4f032e84d2b2fb17ab2ebb46ac3f3e1b127c3a35646780a08c",
  "url": "https://osv.dev/vulnerability/CVE-2025-65017",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Decidim's private data exports can lead to data leaks",
    "summary": "Decidim is a participatory democracy framework. In versions from 0.30.0 to before 0.30.4 and from 0.31.0.rc1 to before 0.31.0, the private data exports can lead to data leaks in case the UUID generation, causing collisions for the generated UUIDs. This issue has been patched in versions 0.30.4 and 0.31.0.",
    "evidence": "osv:CVE-2025-65017",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-65017",
      "aliases": [
        "CVE-2025-65017",
        "GHSA-3cx6-j9j4-54mp"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/decidim/decidim",
              "type": "GIT",
              "events": [
                {
                  "introduced": "14e8bd5deb100766d8afaad0ba98f12fc5802e61"
                },
                {
                  "fixed": "d47201a6e34314e9b4deaa6f054b1c8f97874d6b"
                },
                {
                  "introduced": "c3bc51462268ff734342aac28f456ac77837d4c8"
                },
                {
                  "fixed": "0795da14454a4fb342d70654bdc267d1d6d5bca5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:decidim:decidim:*:*:*:*:*:ruby:*:*",
                    "range": [
                      {
                        "introduced": "0.30.0"
                      },
                      {
                        "fixed": "0.30.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:decidim:decidim:0.31.0:rc1:*:*:*:ruby:*:*",
                    "range": [
                      {
                        "introduced": "0.31.0-rc1"
                      },
                      {
                        "last_affected": "0.31.0-rc1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:decidim:decidim:0.31.0:rc2:*:*:*:ruby:*:*",
                    "range": [
                      {
                        "introduced": "0.31.0-rc2"
                      },
                      {
                        "last_affected": "0.31.0-rc2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d47201a6e34314e9b4deaa6f054b1c8f97874d6b"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.30.4"
                  },
                  {
                    "range": [
                      {
                        "fixed": "0795da14454a4fb342d70654bdc267d1d6d5bca5"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.31.0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.31.0-rc1",
            "0.31.0-rc2",
            "v0.30.3",
            "v0.31.0.rc2",
            "v0.30.2",
            "v0.31.0.rc1",
            "v0.30.1",
            "v0.30.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65017.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.135869348Z",
      "provider": "osv",
      "references": [
        "https://github.com/decidim/decidim/releases/tag/v0.30.4",
        "https://github.com/decidim/decidim/releases/tag/v0.31.0",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65017.json",
        "https://github.com/decidim/decidim/security/advisories/GHSA-3cx6-j9j4-54mp",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-65017",
        "https://github.com/decidim/decidim/pull/13571"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200",
          "CWE-703"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65017.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-65017",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504137,
  "published_at": "2026-02-03T15:05:24.738+00:00"
}